A025793 Expansion of 1/((1-x)(1-x^10)(1-x^11)).

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, 14, 15, 15, 15, 15, 15, 15, 16, 17, 18, 19, 20, 21, 21, 21, 21, 21, 22, 23, 24, 25, 26

Offset

0,11

Links

Table of n, a(n) for n=0..64.

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

Mathematica

CoefficientList[Series[1/((1-x)(1-x^10)(1-x^11)), {x, 0, 90}], x] (* or *) LinearRecurrence[ {1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 5}, 90] (* Harvey P. Dale, Apr 18 2024 *)

Crossrefs

Sequence in context: A185436 A025794 A354760 * A102680 A025791 A358474

Adjacent sequences: A025790 A025791 A025792 * A025794 A025795 A025796

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved