OFFSET
0,11
COMMENTS
a(n) is the number of partitions of n into parts 5, 6, 9, and 10. - Stefano Spezia, Jun 14 2023
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1,1,0,0,1,1,-1,0,0,-1,-2,-1,0,0,-1,1,1,0,0,1,1,0,0,0,0,-1).
MATHEMATICA
CoefficientList[Series[1/((1-x^5)(1-x^6)(1-x^9)(1-x^10)), {x, 0, 100}], x] (* Jinyuan Wang, Mar 11 2020 *)
LinearRecurrence[{0, 0, 0, 0, 1, 1, 0, 0, 1, 1, -1, 0, 0, -1, -2, -1, 0, 0, -1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, -1}, {1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 2, 1, 1, 0, 1, 3, 2, 1, 2, 2, 4, 3, 2, 2, 4, 5, 4, 4, 4, 5}, 80] (* Harvey P. Dale, Jun 20 2024 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved