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 A016222 Expansion of 1/((1-x)(1-4x)(1-6x)). 0
 1, 11, 87, 607, 3983, 25263, 157039, 964079, 5871855, 35580655, 214882031, 1294884591, 7791677167, 46839541487, 281395162863, 1689802632943, 10144542420719, 60890161016559, 365432592068335 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..18. Index entries for linear recurrences with constant coefficients, signature (11, -34, 24). FORMULA G.f.: 1/((1-x)*(1-4*x)*(1-6*x)). a(n) = (1/15) - (8/3)*4^n + (18/5)*6^n. - Antonio Alberto Olivares, Feb 07 2010 a(0) = 1, a(1) = 11, a(n) = 10*a(n-1) - 24*a(n-2) + 1. - Vincenzo Librandi, Feb 10 2011 a(0) = 1, a(1) = 11, a(2) = 87, a(n) = 11*a(n-1) - 34*a(n-2) + 24*a(n-3). - Harvey P. Dale, Nov 04 2011 MATHEMATICA CoefficientList[Series[1/((1-x)(1-4x)(1-6x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{11, -34, 24}, {1, 11, 87}, 30] (* Harvey P. Dale, Nov 04 2011 *) PROG (PARI) Vec(1/((1-x)*(1-4*x)*(1-6*x)) + O(x^40)) \\ Michel Marcus, Sep 04 2017 CROSSREFS Sequence in context: A277465 A357535 A232078 * A081013 A163616 A224182 Adjacent sequences: A016219 A016220 A016221 * A016223 A016224 A016225 KEYWORD nonn,easy AUTHOR N. J. A. Sloane STATUS approved

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Last modified August 15 10:38 EDT 2024. Contains 375173 sequences. (Running on oeis4.)