A029221 Expansion of 1/((1-x^2)*(1-x^6)*(1-x^9)*(1-x^10)).

1, 0, 1, 0, 1, 0, 2, 0, 2, 1, 3, 1, 4, 1, 4, 2, 5, 2, 7, 3, 8, 4, 9, 4, 11, 5, 12, 7, 14, 8, 17, 9, 18, 11, 20, 12, 24, 14, 26, 17, 29, 18, 33, 20, 35, 24, 39, 26, 44, 29, 47, 33, 51, 35, 57, 39, 61, 44, 66, 47, 73, 51, 77, 57

Offset

0,7

Comments

Number of partitions of n into parts 2, 6, 9, and 10. - Joerg Arndt, Jun 02 2014

Links

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

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

Mathematica

CoefficientList[Series[1/((1 - x^2) (1 - x^6) (1 - x^9) (1 - x^10)), {x, 0, 100}], x] (* Vincenzo Librandi, Jun 02 2014 *)

Prog

(PARI) Vec(1/((1-x^2)*(1-x^6)*(1-x^9)*(1-x^10)) + O(x^80)) \\ Jinyuan Wang, Mar 15 2020

Crossrefs

Sequence in context: A029184 A179049 A341976 * A304034 A029183 A213423

Adjacent sequences: A029218 A029219 A029220 * A029222 A029223 A029224

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved