A029114 Expansion of 1/((1-x)(1-x^6)(1-x^9)(1-x^11)).

1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5, 5, 6, 6, 7, 9, 9, 10, 11, 12, 13, 15, 15, 16, 18, 19, 21, 23, 24, 25, 28, 29, 31, 34, 35, 37, 40, 42, 44, 48, 49, 52, 56, 58, 61, 65, 67, 70, 75, 77, 81, 86, 89, 93, 98, 101, 105, 111

Offset

0,7

Links

Table of n, a(n) for n=0..60.

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

Mathematica

CoefficientList[Series[1/((1-x)(1-x^6)(1-x^9)(1-x^11)), {x, 0, 70}], x] (* Jinyuan Wang, Mar 18 2020 *)
LinearRecurrence[{1, 0, 0, 0, 0, 1, -1, 0, 1, -1, 1, -1, 0, 0, -1, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 1, -1}, {1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5, 5, 6, 6, 7, 9, 9, 10, 11, 12, 13, 15, 15, 16}, 80] (* Harvey P. Dale, Nov 24 2022 *)

Crossrefs

Sequence in context: A194223 A371587 A194251 * A224710 A210469 A073174

Adjacent sequences: A029111 A029112 A029113 * A029115 A029116 A029117

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved