Monogram

	Monogram
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Monogram.png" class="mw-file-description" title="Monogram image"><img alt="Monogram image" src="/w/images/4/4a/Monogram.png" decoding="async" width="146" height="114" class="mw-file-element"></a></span>
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Monogram.png" class="mw-file-description" title="Monogram image"><img alt="Monogram image" src="/w/images/4/4a/Monogram.png" decoding="async" width="146" height="114" class="mw-file-element"></a></span>
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Pattern type	Oscillator
Number of cells	18
Bounding box	7 × 7
Period	4 (mod: Unknown)
Heat	14
Volatility	Unknown \| Unknown
Kinetic symmetry	Unspecified
Discovered by	Dean Hickerson
Year of discovery	1989
Glider synthesis
Fewest gliders	15
Uploaded synthesis RLE	monogram_synth.rle
Pattern files
Plaintext	monogram.cells
RLE	monogram.rle

Monogram (or initials^[1] or JHC^[2]) is a period 4 oscillator that was found by Dean Hickerson in August 1989.

References