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 A010850 Constant sequence: a(n) = 11. 4
 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS A156194=1,2,7,1,7,2,1,1,4,2,4,1,; (A156199=1,1,4,2,4,1,1,2,7,1,7,2,; correction in title: A000045 ,not Aoo1045). a(n)=A156194(4n)+A156194(4n+1)+A156194(4n+2)+A156194(4n+3); a(n)=A156199(4n+1)+A156199(4n+2)+A156199(4n+3)+A156199(4n+4). [From Paul Curtz, Feb 06 2009] Also, binary representation of the n-th iteration of the elementary cellular automaton Rules: 116, 212 and 244 starting with a single ON (black) cell. - Robert Price, Feb 21 2016 LINKS Tanya Khovanova, Recursive Sequences Eric Weisstein's World of Mathematics, Elementary Cellular Automaton S. Wolfram, A New Kind of Science Index entries for linear recurrences with constant coefficients, signature (1). FORMULA G.f.: 11/(1-x). - Vincenzo Librandi, Jan 19 2012 MATHEMATICA Table[11, {60}] (* Vincenzo Librandi, Jan 19 2012 *) CROSSREFS Sequence in context: A231472 A112122 A290856 * A113587 A083971 A240453 Adjacent sequences:  A010847 A010848 A010849 * A010851 A010852 A010853 KEYWORD nonn,easy AUTHOR STATUS approved

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