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A169703
Total number of ON cells at stage n of two-dimensional cellular automaton defined by "Rule 174".
1
1, 5, 8, 20, 20, 32, 40, 76, 68, 80, 88, 124, 124, 160, 184, 292, 260, 272, 280, 316, 316, 352, 376, 484, 460, 496, 520, 628, 628, 736, 808, 1132, 1028, 1040, 1048, 1084, 1084, 1120, 1144, 1252, 1228, 1264, 1288, 1396, 1396, 1504, 1576, 1900, 1804, 1840, 1864
OFFSET
0,2
COMMENTS
Rules 14, 46 and 142 also generate this sequence. - Robert Price, Mar 04 2016
MATHEMATICA
Map[Function[Apply[Plus, Flatten[ #1]]], CellularAutomaton[{ 174, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 100]]
CROSSREFS
Cf. A169704.
Sequence in context: A269715 A271095 A194266 * A270091 A270733 A270168
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 17 2010
STATUS
approved