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A253088
Number of ON cells at generation n of 9-celled totalistic CA defined by Rule 750.
5
1, 9, 12, 40, 24, 88, 48, 148, 80, 164, 172, 296, 236, 380, 324, 500, 436, 552, 552, 644, 688, 936, 788, 1168, 928, 1296, 1044, 1444, 1352, 1768, 1576, 2136, 1728, 2116, 1992, 2264, 2288, 2604, 2536, 3056, 2812, 3380, 3112, 3864, 3484, 4204, 3836, 4764, 4120, 4748, 4456
OFFSET
0,2
COMMENTS
The keyword "look" refers to the illustration.
FORMULA
It would be nice to have a recurrence.
MATHEMATICA
Map[Function[Apply[Plus, Flatten[#1]]],
CellularAutomaton[{750, {2, {{2, 2, 2}, {2, 1, 2}, {2, 2, 2}}}, {1, 1}}, {{{1}}, 0}, 66]]
ArrayPlot /@ CellularAutomaton[{750, {2, {{2, 2, 2}, {2, 1, 2}, {2, 2, 2}}}, {1, 1}}, {{{1}}, 0}, 15]
CROSSREFS
Cf. A169707 (5-neighbor analog).
Sequence in context: A024312 A024877 A120991 * A341208 A328120 A072308
KEYWORD
nonn,look
AUTHOR
N. J. A. Sloane, Feb 12 2015
STATUS
approved