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 A245549 State of one-dimensional cellular automaton 'sigma' (Rule 30): 000,001,010,011,100,101,110,111 -> 0,0,0,1,1,1,1,0 at generation n, regarded as a binary number. 12
 1, 111, 11001, 1101111, 110010001, 11011110111, 1100100001001, 110111100111111, 11001000111000001, 1101111011001000111, 110010000101111011001, 11011110011010000101111 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS See A110240 for decimal equivalents. See A070952 for number of ON cells. LINKS Robert Price, Table of n, a(n) for n = 0..999 N. J. A. Sloane, Illustration of first 20 generations Eric Weisstein's World of Mathematics, Rule 150 S. Wolfram, A New Kind of Science MATHEMATICA rule=30; 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 *)(* Robert Price, Feb 21 2016 *) CROSSREFS Cf. A070952, A110240, A070950, A074890, A269160. Sequence in context: A286404 A287130 A287191 * A266809 A152764 A249183 Adjacent sequences:  A245546 A245547 A245548 * A245550 A245551 A245552 KEYWORD nonn AUTHOR N. J. A. Sloane, Jul 28 2014 STATUS approved

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Last modified July 19 22:14 EDT 2019. Contains 325168 sequences. (Running on oeis4.)