A minor result to report: In the 8-cell extended von Neumann neighborhood, all non-exploding outer-totalistic rules that can contain spaceships must necessarily have B2 and neither of B01. I created rule tables for B2/S and B2/S0 and determined that both are explosive, and so it seems unlikely that any of these rules is non-exploding and still supports spaceships. NOTE: This says nothing about isotropic non-totalistic rules or even radius-dependent totalistic rules.
For reference, here are the rule tables:
Code: Select all
@RULE B2SEN8
@TABLE
n_states:33
neighborhood:vonNeumann
symmetries:none
var a={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32}
var aa=a
var ab=a
var ac=a
var ad=a
var lon={18,20,22,24,26,28,30,32}
var loff={17,19,21,23,25,27,29,31}
var nlon={2,4,6,8,10,12,14,16}
var nloff={0,3,5,7,9,11,13,15}
var ron={6,8,14,16,22,24,30,32}
var roff={5,7,13,15,21,23,29,31}
var nron={2,4,10,12,18,20,26,28}
var nroff={0,3,9,11,17,19,25,27}
var uon={4,8,12,16,20,24,28,32}
var uoff={3,7,11,15,19,23,27,31}
var nuon={2,6,10,14,18,22,26,30}
var nuoff={0,5,9,13,17,21,25,29}
var don={10,12,14,16,26,28,30,32}
var doff={9,11,13,15,25,27,29,31}
var ndon={2,4,6,8,18,20,22,24}
var ndoff={0,3,5,7,17,19,21,23}
var off={loff,nloff}
var on={lon,nlon}
0,0,0,0,0,0
1,0,0,0,0,2
0,1,0,0,0,3
1,1,0,0,0,4
0,0,1,0,0,5
1,0,1,0,0,6
0,1,1,0,0,7
1,1,1,0,0,8
0,0,0,1,0,9
1,0,0,1,0,10
0,1,0,1,0,11
1,1,0,1,0,12
0,0,1,1,0,13
1,0,1,1,0,14
0,1,1,1,0,15
1,1,1,1,0,16
0,0,0,0,1,17
1,0,0,0,1,18
0,1,0,0,1,19
1,1,0,0,1,20
0,0,1,0,1,21
1,0,1,0,1,22
0,1,1,0,1,23
1,1,1,0,1,24
0,0,0,1,1,25
1,0,0,1,1,26
0,1,0,1,1,27
1,1,0,1,1,28
0,0,1,1,1,29
1,0,1,1,1,30
0,1,1,1,1,31
1,1,1,1,1,32
off,nuoff,nroff,ndoff,lon,1
off,nuoff,nroff,doff,loff,1
off,nuoff,nroff,ndon,loff,1
off,nuoff,roff,ndoff,loff,1
off,nuoff,nron,ndoff,loff,1
off,uoff,nroff,ndoff,loff,1
off,nuon,nroff,ndoff,loff,1
off,nuoff,nroff,doff,nlon,1
off,nuoff,nroff,ndon,nlon,1
off,nuoff,roff,ndoff,nlon,1
off,nuoff,nron,ndoff,nlon,1
off,uoff,nroff,ndoff,nlon,1
off,nuon,nroff,ndoff,nlon,1
off,nuoff,nroff,don,nloff,1
off,nuoff,roff,doff,nloff,1
off,nuoff,nron,doff,nloff,1
off,uoff,nroff,doff,nloff,1
off,nuon,nroff,doff,nloff,1
off,nuoff,roff,ndon,nloff,1
off,nuoff,nron,ndon,nloff,1
off,uoff,nroff,ndon,nloff,1
off,nuon,nroff,ndon,nloff,1
off,nuoff,ron,ndoff,nloff,1
off,uoff,roff,ndoff,nloff,1
off,nuon,roff,ndoff,nloff,1
off,uoff,nron,ndoff,nloff,1
off,nuon,nron,ndoff,nloff,1
off,uon,nroff,ndoff,nloff,1
a,aa,ab,ac,ad,0
@COLORS
0 30 30 30
1 225 225 225
2 100 100 100
3 100 100 100
4 100 100 100
5 100 100 100
6 100 100 100
7 100 100 100
8 100 100 100
9 100 100 100
10 100 100 100
11 100 100 100
12 100 100 100
13 100 100 100
14 100 100 100
15 100 100 100
16 100 100 100
17 100 100 100
18 100 100 100
19 100 100 100
20 100 100 100
21 100 100 100
22 100 100 100
23 100 100 100
24 100 100 100
25 100 100 100
26 100 100 100
27 100 100 100
28 100 100 100
29 100 100 100
30 100 100 100
31 100 100 100
32 100 100 100
Code: Select all
@RULE B2S0EN8
@TABLE
n_states:33
neighborhood:vonNeumann
symmetries:none
var a={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32}
var aa=a
var ab=a
var ac=a
var ad=a
var lon={18,20,22,24,26,28,30,32}
var loff={17,19,21,23,25,27,29,31}
var nlon={2,4,6,8,10,12,14,16}
var nloff={0,3,5,7,9,11,13,15}
var ron={6,8,14,16,22,24,30,32}
var roff={5,7,13,15,21,23,29,31}
var nron={2,4,10,12,18,20,26,28}
var nroff={0,3,9,11,17,19,25,27}
var uon={4,8,12,16,20,24,28,32}
var uoff={3,7,11,15,19,23,27,31}
var nuon={2,6,10,14,18,22,26,30}
var nuoff={0,5,9,13,17,21,25,29}
var don={10,12,14,16,26,28,30,32}
var doff={9,11,13,15,25,27,29,31}
var ndon={2,4,6,8,18,20,22,24}
var ndoff={0,3,5,7,17,19,21,23}
var off={loff,nloff}
var on={lon,nlon}
0,0,0,0,0,0
1,0,0,0,0,2
0,1,0,0,0,3
1,1,0,0,0,4
0,0,1,0,0,5
1,0,1,0,0,6
0,1,1,0,0,7
1,1,1,0,0,8
0,0,0,1,0,9
1,0,0,1,0,10
0,1,0,1,0,11
1,1,0,1,0,12
0,0,1,1,0,13
1,0,1,1,0,14
0,1,1,1,0,15
1,1,1,1,0,16
0,0,0,0,1,17
1,0,0,0,1,18
0,1,0,0,1,19
1,1,0,0,1,20
0,0,1,0,1,21
1,0,1,0,1,22
0,1,1,0,1,23
1,1,1,0,1,24
0,0,0,1,1,25
1,0,0,1,1,26
0,1,0,1,1,27
1,1,0,1,1,28
0,0,1,1,1,29
1,0,1,1,1,30
0,1,1,1,1,31
1,1,1,1,1,32
off,nuoff,nroff,ndoff,lon,1
off,nuoff,nroff,doff,loff,1
off,nuoff,nroff,ndon,loff,1
off,nuoff,roff,ndoff,loff,1
off,nuoff,nron,ndoff,loff,1
off,uoff,nroff,ndoff,loff,1
off,nuon,nroff,ndoff,loff,1
off,nuoff,nroff,doff,nlon,1
off,nuoff,nroff,ndon,nlon,1
off,nuoff,roff,ndoff,nlon,1
off,nuoff,nron,ndoff,nlon,1
off,uoff,nroff,ndoff,nlon,1
off,nuon,nroff,ndoff,nlon,1
off,nuoff,nroff,don,nloff,1
off,nuoff,roff,doff,nloff,1
off,nuoff,nron,doff,nloff,1
off,uoff,nroff,doff,nloff,1
off,nuon,nroff,doff,nloff,1
off,nuoff,roff,ndon,nloff,1
off,nuoff,nron,ndon,nloff,1
off,uoff,nroff,ndon,nloff,1
off,nuon,nroff,ndon,nloff,1
off,nuoff,ron,ndoff,nloff,1
off,uoff,roff,ndoff,nloff,1
off,nuon,roff,ndoff,nloff,1
off,uoff,nron,ndoff,nloff,1
off,nuon,nron,ndoff,nloff,1
off,uon,nroff,ndoff,nloff,1
on,nuoff,nroff,ndoff,nloff,1
a,aa,ab,ac,ad,0
@COLORS
0 30 30 30
1 225 225 225
2 100 100 100
3 100 100 100
4 100 100 100
5 100 100 100
6 100 100 100
7 100 100 100
8 100 100 100
9 100 100 100
10 100 100 100
11 100 100 100
12 100 100 100
13 100 100 100
14 100 100 100
15 100 100 100
16 100 100 100
17 100 100 100
18 100 100 100
19 100 100 100
20 100 100 100
21 100 100 100
22 100 100 100
23 100 100 100
24 100 100 100
25 100 100 100
26 100 100 100
27 100 100 100
28 100 100 100
29 100 100 100
30 100 100 100
31 100 100 100
32 100 100 100
This p6 is the most interesting thing I've found in either rule:
Code: Select all
x = 6, y = 5, rule = B2SEN8
3.A2$2A2.2A2$2.A!