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A118110 State of one-dimensional cellular automaton 'sigma' (Rule 150): 000,001,010,011,100,101,110,111 -> 0,1,1,0,1,0,0,1 at generation n, when started with a single ON cell, regarded as a binary number. 3
1, 111, 10101, 1101011, 100010001, 11101110111, 1010001000101, 110110111011011, 10000000100000001, 1110000011100000111, 101010001010100010101, 11010110110101101101011, 1000100000001000000010001 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
See A038184 for decimal equivalents.
REFERENCES
S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
LINKS
Eric Weisstein's World of Mathematics, Rule 150
Eric Weisstein's World of Mathematics, Elementary Cellular Automaton
MATHEMATICA
rule = 150; rows = 20; Table[FromDigits[Table[Take[CellularAutomaton[rule, {{1}, 0}, rows-1, {All, All}][[k]], {rows-k+1, rows+k-1}], {k, 1, rows}][[k]]], {k, 1, rows}] (* Robert Price, Feb 21 2016 *)
CROSSREFS
This sequence, A038184 and A071036 are equivalent descriptions of the Rule 150 automaton.
See A071053 for number of ON cells.
Sequence in context: A267275 A135577 A153498 * A267608 A244663 A267804
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Apr 13 2006 and N. J. A. Sloane, Jul 28 2014, combined into one entry by N. J. A. Sloane, Oct 20 2015
STATUS
approved

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)