A291985 Expansion of 1/((1+x)*(1+x^2)*(1+x^3)*(1+x^4)*(1+x^5)).

1, -1, 0, -1, 1, -1, 2, -1, 2, -3, 2, -3, 3, -3, 4, -4, 5, -5, 5, -6, 6, -7, 7, -7, 9, -9, 9, -10, 10, -11, 12, -12, 13, -14, 14, -15, 16, -16, 17, -18, 19, -20, 20, -21, 22, -23, 24, -24, 26, -27, 27, -29, 29, -30, 32, -32, 34, -35, 35, -37, 38, -39, 40, -41, 43

Offset: 0

Author

Seiichi Manyama, Sep 07 2017

Keywords

• sign

Links

• Index entries for linear recurrences with constant coefficients, signature (-1, -1, -2, -2, -3, -3, -3, -3, -3, -3, -2, -2, -1, -1, -1).

Crossrefs

Cf. A291954, A291983, A291984.

Programs

PARI

Vec(1/((1+x)*(1+x^2)*(1+x^3)*(1+x^4)*(1+x^5)) + O(x^100))