A267131 Decimal representation of the n-th iteration of the "Rule 101" elementary cellular automaton starting with a single ON (black) cell.

1, 2, 30, 5, 364, 875, 7032, 6935, 72368, 171951, 2032096, 194655, 24516288, 53851839, 440252288, 487436671, 4543326976, 11921128191, 131655802368, 33345471999, 1514803915776, 3700849601535, 30571457902592, 26989915478015, 304889978859520, 773616460869631

Offset

0,2

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=101; 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. A267129.

Sequence in context: A058988 A292879 A361027 * A078690 A228937 A071056

Adjacent sequences: A267128 A267129 A267130 * A267132 A267133 A267134

Keyword

nonn,easy

Author

Robert Price, Jan 10 2016

Status

approved