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 A291983 Expansion of 1/((1+x)*(1+x^2)*(1+x^3)). 3
 1, -1, 0, -1, 2, -1, 1, -2, 2, -2, 2, -2, 3, -3, 2, -3, 4, -3, 3, -4, 4, -4, 4, -4, 5, -5, 4, -5, 6, -5, 5, -6, 6, -6, 6, -6, 7, -7, 6, -7, 8, -7, 7, -8, 8, -8, 8, -8, 9, -9, 8, -9, 10, -9, 9, -10, 10, -10, 10, -10, 11, -11, 10, -11, 12, -11, 11, -12, 12, -12, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS Index entries for linear recurrences with constant coefficients, signature (-1, -1, -2, -1, -1, -1). MATHEMATICA CoefficientList[Series[1/((1+x)(1+x^2)(1+x^3)), {x, 0, 70}], x] (* or *) LinearRecurrence[ {-1, -1, -2, -1, -1, -1}, {1, -1, 0, -1, 2, -1}, 80] (* Harvey P. Dale, Jun 12 2022 *) PROG (PARI) Vec(1/((1+x)*(1+x^2)*(1+x^3)) + O(x^100)) CROSSREFS Cf. A112689, A291954, A291984, A291985. Sequence in context: A025839 A053261 A123584 * A112689 A298604 A190353 Adjacent sequences: A291980 A291981 A291982 * A291984 A291985 A291986 KEYWORD sign AUTHOR Seiichi Manyama, Sep 07 2017 STATUS approved

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Last modified December 3 19:41 EST 2022. Contains 358543 sequences. (Running on oeis4.)