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A267441 Decimal representation of the n-th iteration of the "Rule 129" elementary cellular automaton starting with a single ON (black) cell. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 16 17:49 EDT 2019. Contains 328102 sequences. (Running on oeis4.)