OFFSET
0,10
COMMENTS
a(n) is the number of partitions of n into parts 1, 9, 11, and 12. - Joerg Arndt, Jan 17 2017
LINKS
Matthew House, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,1,-1,1,0,-1,0,0,0,0,0,0,-1,0,1,-1,1,0,0,0,0,0,0,0,1,-1).
FORMULA
G.f.: 1/((1-x)(1-x^9)(1-x^11)(1-x^12)).
MATHEMATICA
CoefficientList[Series[1/((1 - x) (1 - x^9) (1 - x^11) (1 - x^12)), {x, 0, 100}], x] (* Wesley Ivan Hurt, Dec 26 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved