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 A077827 Expansion of (1-x)^(-1)/(1-2*x-2*x^2-2*x^3). 1
 1, 3, 9, 27, 79, 231, 675, 1971, 5755, 16803, 49059, 143235, 418195, 1220979, 3564819, 10407987, 30387571, 88720755, 259032627, 756281907, 2208070579, 6446770227, 18822245427, 54954172467, 160446376243, 468445588275, 1367692273971, 3993168476979, 11658612678451 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Index entries for linear recurrences with constant coefficients, signature (3,0,0,-2). MATHEMATICA CoefficientList[Series[(1-x)^(-1)/(1-2x-2x^2-2x^3), {x, 0, 40}], x] (* Harvey P. Dale, Mar 27 2011 *) PROG (PARI) Vec((1-x)^(-1)/(1-2*x-2*x^2-2*x^3)+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012 CROSSREFS Partial sums of S(n, x), for x=1...11, A021823, A000217, A027941, A061278, A089817, A053142, A092521, A076765, A092420, A097784, A097826. Sequence in context: A026289 A027129 A077844 * A299108 A304067 A287898 Adjacent sequences: A077824 A077825 A077826 * A077828 A077829 A077830 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Nov 17 2002, Jun 05 2007 STATUS approved

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Last modified March 27 18:55 EDT 2023. Contains 361575 sequences. (Running on oeis4.)