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A097981 Cell populations in the development of the 2 X 2 square with the 2D cellular automaton rule seeds (/2). +0
3
4, 8, 12, 16, 24, 32, 52, 40, 56, 72, 72, 92, 128, 140, 136, 160, 152, 200, 244, 236, 264, 232, 268, 360, 316, 416, 320, 384, 436, 412, 500, 492, 500, 524, 680, 584, 744, 700, 764, 884, 896, 748, 1056, 864, 888, 992, 1036, 1060, 1296, 1268, 1436, 1408, 1472 (list; graph; listen)
OFFSET

1,1

LINKS

Mirek Wojtowicz, Information on many 2D \ cellular automata

Index entries for sequences related to cellular automata

EXAMPLE

a(1)= 4 because the 2 X 2 square contains 4 cells. a(2)= 8 because 8 cells are neighbors of exactly 2 of the original 4 cells. a(3)= 12 because 12 cells are neighbors of exactly 2 of the previous 8 cells.

CROSSREFS

Sequence in context: A004976 A071385 A066192 this_sequence A033833 A045783 A071072

Adjacent sequences: A097978 A097979 A097980 this_sequence A097982 A097983 A097984

KEYWORD

nonn

AUTHOR

Oliver Pechenik (oliver_pechenik(AT)milton.edu), Sep 07 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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