A025792 Expansion of 1/((1-x)(1-x^9)(1-x^11)).

1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 28

Offset

0,10

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, 1, -1, 1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 1).

Mathematica

CoefficientList[Series[1/((1-x)(1-x^9)(1-x^11)), {x, 0, 90}], x] (* or *) LinearRecurrence[ {1, 0, 0, 0, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 5}, 90] (* Harvey P. Dale, Apr 13 2022 *)

Crossrefs

Sequence in context: A130147 A345377 A096143 * A119447 A157720 A077463

Adjacent sequences: A025789 A025790 A025791 * A025793 A025794 A025795

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved