A267511 - OEIS

A267511

Binary representation of the n-th iteration of the "Rule 137" elementary cellular automaton starting with a single ON (black) cell.

1, 0, 101, 11, 1110111, 11001111, 10100011111, 10111111, 111110001111111, 1111001011111111, 1011100000111111111, 110011101111111111, 11101000110011111111111, 110000101000111111111111, 101001100000101111111111111, 10011100011111111111111

(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=137; 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]]], {k, 1, rows}] (* Binary Representation of Rows *)

CROSSREFS

Cf. A267463.

Sequence in context: A288810 A288896 A290291 * A375784 A269503 A067748

Adjacent sequences: A267508 A267509 A267510 * A267512 A267513 A267514

KEYWORD

nonn,easy

AUTHOR

Robert Price, Jan 16 2016

STATUS

approved