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 A168037 Period length 18: repeat 0,1,2,0,8,7,0,4,5,0,5,4,0,7,8,0,2,1. 0
 0, 1, 2, 0, 8, 7, 0, 4, 5, 0, 5, 4, 0, 7, 8, 0, 2, 1, 0, 1, 2, 0, 8, 7, 0, 4, 5, 0, 5, 4, 0, 7, 8, 0, 2, 1, 0, 1, 2, 0, 8, 7, 0, 4, 5, 0, 5, 4, 0, 7, 8, 0, 2, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Represents also the decimal expansion of 447668335336223/37037037037037037. LINKS Table of n, a(n) for n=0..53. Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1). FORMULA a(n) = A129194(n) mod 9. a(n) = a(n-18). a(n+1) = a(17-n), 0<=n<= 16, palindromic. G.f. ( -x*(1+2*x+8*x^3+7*x^4+4*x^6+5*x^7+5*x^9+4*x^10+7*x^12+8*x^13+2*x^15+x^16) ) / ( (x-1)*(1+x+x^2)*(1+x^3+x^6)*(1+x)*(1-x+x^2)*(1-x^3+x^6) ). - R. J. Mathar, Jan 22 2011 MATHEMATICA PadRight[{}, 60, {0, 1, 2, 0, 8, 7, 0, 4, 5, 0, 5, 4, 0, 7, 8, 0, 2, 1}] (* Harvey P. Dale, Jan 17 2021 *) CROSSREFS Cf. A154811. Sequence in context: A243443 A096609 A318136 * A019658 A366164 A021483 Adjacent sequences: A168034 A168035 A168036 * A168038 A168039 A168040 KEYWORD nonn,easy AUTHOR Paul Curtz, Nov 17 2009 STATUS approved

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Last modified May 23 08:52 EDT 2024. Contains 372760 sequences. (Running on oeis4.)