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A267675 Decimal representation of the n-th iteration of the "Rule 195" elementary cellular automaton starting with a single ON (black) cell. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A299748 A300262 A222663 * A140804 A147621 A246854

Adjacent sequences:  A267672 A267673 A267674 * A267676 A267677 A267678

KEYWORD

nonn,easy

AUTHOR

Robert Price, Jan 19 2016

STATUS

approved

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Last modified May 24 00:38 EDT 2019. Contains 323528 sequences. (Running on oeis4.)