A029231 Expansion of 1/((1-x^2)*(1-x^7)*(1-x^9)*(1-x^11)).

1, 0, 1, 0, 1, 0, 1, 1, 1, 2, 1, 3, 1, 3, 2, 3, 3, 3, 5, 3, 6, 4, 7, 5, 7, 7, 7, 9, 8, 11, 9, 12, 11, 13, 13, 14, 16, 15, 18, 17, 20, 19, 22, 22, 24, 25, 26, 28, 28, 31, 31, 34, 34, 37, 38, 40, 42, 43, 46, 46, 50, 50, 54, 55

Offset

0,10

Comments

Number of partitions of n into parts 2, 7, 9, and 11. - Vincenzo Librandi, Jun 02 2014

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

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

Mathematica

CoefficientList[Series[1/((1 - x^2) (1 - x^7) (1 - x^9) (1 - x^11)), {x, 0, 100}], x] (* Vincenzo Librandi, Jun 02 2014 *)

Prog

(PARI) Vec(1/((1-x^2)*(1-x^7)*(1-x^9)*(1-x^11)) + O(x^80)) \\ Jinyuan Wang, Mar 15 2020

Crossrefs

Sequence in context: A025812 A263001 A109698 * A025808 A144079 A326839

Adjacent sequences: A029228 A029229 A029230 * A029232 A029233 A029234

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved