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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
OFFSET
0,3
REFERENCES
S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
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
KEYWORD
nonn,easy
AUTHOR
Robert Price, Jan 18 2016
STATUS
approved