OFFSET
0,10
COMMENTS
Number of partitions of n into parts 3, 4, 9, and 12. - 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, 0, 1, 1, 0, 0, -1, 0, 1, 0, 0, 0, -1, 0, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 1, 0, 0, -1).
MATHEMATICA
CoefficientList[Series[1/((1 - x^3) (1 - x^4) (1 - x^9) (1 - x^12)), {x, 0, 100}], x] (* Vincenzo Librandi, Jun 03 2014 *)
PROG
(PARI) Vec(1/((1-x^3)*(1-x^4)*(1-x^9)*(1-x^12)) + O(x^80)) \\ Jinyuan Wang, Mar 12 2020
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved