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A267646 Decimal representation of the n-th iteration of the "Rule 193" elementary cellular automaton starting with a single ON (black) cell. 1
1, 0, 20, 96, 476, 1944, 7956, 32384, 130172, 522872, 2093172, 8384096, 33541212, 134187544, 536822164, 2147367168, 8589750524, 34359225592, 137438365940, 549754160352, 2199019364572, 8796086738072, 35184357382164, 140737465227136, 562949888313212 (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=193; 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. A267636.

Sequence in context: A158446 A221704 A222772 * A264424 A039610 A177498

Adjacent sequences:  A267643 A267644 A267645 * A267647 A267648 A267649

KEYWORD

nonn,easy

AUTHOR

Robert Price, Jan 18 2016

STATUS

approved

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Last modified August 12 06:43 EDT 2022. Contains 356067 sequences. (Running on oeis4.)