A029241 - OEIS

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A029241

Expansion of 1/((1-x^2)*(1-x^9)*(1-x^10)*(1-x^11)).

1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 5, 4, 6, 4, 6, 4, 6, 5, 7, 7, 9, 9, 10, 10, 10, 10, 11, 11, 13, 13, 16, 15, 18, 16, 19, 17, 20, 19, 22, 22, 25, 25, 27, 27, 29, 29, 31, 31, 34, 34, 38, 37, 41, 40, 44

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,11

COMMENTS

Number of partitions of n into parts 2, 9, 10, and 11. - Vincenzo Librandi, Jun 03 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, 0, 0, 1, 1, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, -1).

MATHEMATICA

CoefficientList[Series[1/((1 - x^2) (1 - x^9) (1 - x^10) (1 - x^11)), {x, 0, 100}], x] (* Vincenzo Librandi, Jun 03 2014 *)

PROG

(PARI) Vec(1/((1-x^2)*(1-x^9)*(1-x^10)*(1-x^11)) + O(x^80)) \\ Jinyuan Wang, Mar 12 2020

CROSSREFS

Sequence in context: A061798 A345206 A318585 * A226749 A277090 A103376

Adjacent sequences: A029238 A029239 A029240 * A029242 A029243 A029244

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved