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A118110
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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.
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3
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1, 111, 10101, 1101011, 100010001, 11101110111, 1010001000101, 110110111011011, 10000000100000001, 1110000011100000111, 101010001010100010101, 11010110110101101101011, 1000100000001000000010001
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OFFSET
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0,2
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COMMENTS
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See A038184 for decimal equivalents.
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REFERENCES
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S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
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LINKS
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Eric Weisstein's World of Mathematics, Rule 150
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MATHEMATICA
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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 *)
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CROSSREFS
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This sequence, A038184 and A071036 are equivalent descriptions of the Rule 150 automaton.
See A071053 for number of ON cells.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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