A267675 Decimal representation of the n-th iteration of the "Rule 195" elementary cellular automaton starting with a single ON (black) cell.

1, 4, 26, 112, 494, 1996, 8106, 32512, 130814, 523516, 2095866, 8384752, 33550062, 134204620, 536849066, 2147418112, 8589869054, 34359541756, 137438625786, 549754830832, 2199022141422, 8796089679820, 35184366518186, 140737471643392, 562949936578302

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=195; 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. A267673.

Sequence in context: A300262 A359254 A222663 * A140804 A147621 A246854

Adjacent sequences: A267672 A267673 A267674 * A267676 A267677 A267678

Keyword

nonn,easy

Author

Robert Price, Jan 19 2016

Status

approved