OFFSET
0,9
COMMENTS
Number of partitions of n into parts 4, 8, 10, and 11. - Hoang Xuan Thanh, Jun 21 2026
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,1,0,0,0,1,0,1,1,-1,0,-1,-1,0,0,-1,-1,0,-1,1,1,0,1,0,0,0,1,0,0,0,-1).
FORMULA
a(n) = floor((n^3+66*n^2+956*n+3540)/21120 - (n mod 2)*(n^2+33*n+337)/640 + ((n^2+n+2) mod 4)*(n+16)/64 + ((9*n^3+2*n+4) mod 11)/11). - Hoang Xuan Thanh, Jun 21 2026
MATHEMATICA
CoefficientList[Series[1/((1-x^4)(1-x^8)(1-x^10)(1-x^11)), {x, 0, 100}], x] (* Jinyuan Wang, Mar 11 2020 *)
PROG
(PARI) Vec(1/((1-x^4)*(1-x^8)*(1-x^10)*(1-x^11)) + O(x^80)) \\ Hoang Xuan Thanh, Jun 21 2026
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved
