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 A025886 Expansion of 1/((1-x^5)(1-x^7)(1-x^12)). 1
 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 1, 0, 2, 0, 2, 1, 1, 2, 0, 3, 1, 2, 2, 1, 3, 1, 3, 2, 2, 3, 2, 4, 2, 3, 3, 3, 4, 3, 4, 3, 4, 4, 4, 5, 4, 5, 4, 5, 5, 5, 6, 5, 6, 5, 6, 7, 6, 7, 6, 7, 7, 7, 8, 7, 8, 8, 8, 9, 8, 9, 9, 9, 10, 9, 10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,13 LINKS Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,-1,0,-1,0,0,0,0,1). FORMULA For n>23, a(n)=a(n-5)+a(n-7)-a(n-17)-a(n-19)+a(n-24). - Harvey P. Dale, Sep 28 2012 MATHEMATICA CoefficientList[Series[1/((1-x^5)(1-x^7)(1-x^12)), {x, 0, 80}], x] (* Harvey P. Dale, Sep 28 2012 *) LinearRecurrence[{0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 1, 0, 2, 0, 2, 1, 1, 2, 0}, 80] (* Harvey P. Dale, Nov 02 2021 *) PROG (PARI) Vec(1/((1-x^5)*(1-x^7)*(1-x^12))+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012 CROSSREFS Sequence in context: A284319 A281272 A147310 * A117355 A319571 A086966 Adjacent sequences:  A025883 A025884 A025885 * A025887 A025888 A025889 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified November 28 10:27 EST 2021. Contains 349401 sequences. (Running on oeis4.)