A267441 Decimal representation of the n-th iteration of the "Rule 129" elementary cellular automaton starting with a single ON (black) cell.

1, 0, 4, 0, 124, 112, 1612, 0, 32764, 32752, 425932, 32512, 8289532, 7893232, 107367628, 0, 2147483644, 2147483632, 27917287372, 2147483392, 543313362172, 517543555312, 7037303901388, 2147418112, 140731045707772, 140705275117552, 1829477823610828

Offset

0,3

References

S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.

Links

Robert Price, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

S. Wolfram, A New Kind of Science

Index entries for sequences related to cellular automata

Index to Elementary Cellular Automata

Mathematica

rule=129; rows=20; ca=CellularAutomaton[rule, {{1}, 0}, rows-1, {All, All}]; (* Start with single black cell *) catri=Table[Take[ca[[k]], {rows-k+1, rows+k-1}], {k, 1, rows}]; (* Truncated list of each row *) Table[FromDigits[catri[[k]], 2], {k, 1, rows}]   (* Decimal Representation of Rows *)

Crossrefs

Cf. A267417.

Sequence in context: A013037 A129814 A129825 * A264883 A298447 A138734

Adjacent sequences: A267438 A267439 A267440 * A267442 A267443 A267444

Keyword

nonn,easy

Author

Robert Price, Jan 15 2016

Status

approved