A253078 Total number of ON cells at stage n of two-dimensional 5-neighbor outer totalistic cellular automaton defined by "Rule 470".

1, 5, 8, 24, 21, 56, 32, 89, 65, 140, 96, 201, 149, 260, 200, 297, 293, 376, 368, 453, 461, 564, 532, 685, 665, 804, 764, 929, 913, 1052, 1060, 1145, 1177, 1296, 1405, 1405, 1404, 1672, 1521, 1845, 1696, 2052, 1909, 2217, 2152, 2416, 2361, 2529, 2644, 2776, 2813, 3053, 2908, 3316, 3093, 3461, 3512, 3792, 3713, 4021

Offset

0,2

Comments

It would be nice to have a formula or recurrence.

References

S. Wolfram, A New Kind of Science, Wolfram Media, 2002; pp. 173-175.

Links

Robert Price, Table of n, a(n) for n = 0..128

N. J. A. Sloane, Illustration of generations 0-23

Index entries for sequences related to cellular automata

Mathematica

Map[Function[Apply[Plus, Flatten[ #1]]], CellularAutomaton[{ 470, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 130]]
ArrayPlot /@ CellularAutomaton[{470, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 23]

Crossrefs

Cf. A169699, A246316, A246318, A246325, A246326, ...

Sequence in context: A270125 A264797 A270905 * A270185 A169701 A271008

Adjacent sequences: A253075 A253076 A253077 * A253079 A253080 A253081

Keyword

nonn

Author

N. J. A. Sloane, Feb 04 2015

Status

approved