A025858 Expansion of 1/((1-x^3)*(1-x^11)*(1-x^12)).

1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 4, 2, 3, 5, 2, 3, 5, 2, 3, 5, 2, 4, 6, 3, 5, 7, 3, 5, 7, 3, 5, 7, 4, 6, 8, 5, 7, 9, 5, 7, 9, 5, 7, 10, 6, 8, 11, 7, 9, 12, 7, 9, 12, 7, 10, 13

Offset

0,13

Links

Table of n, a(n) for n=0..78.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 1).

Mathematica

CoefficientList[Series[1/((1-x^3)(1-x^11)(1-x^12)), {x, 0, 100}], x] (* or *) LinearRecurrence[ {0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 1}, {1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 1, 2, 3, 1}, 100] (* Harvey P. Dale, Jul 01 2022 *)

Crossrefs

Sequence in context: A010872 A220663 A220659 * A237451 A215592 A025684

Adjacent sequences: A025855 A025856 A025857 * A025859 A025860 A025861

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved