OFFSET
0,11
COMMENTS
Number of partitions of n into parts 4, 5, 6, and 10. - Hoang Xuan Thanh, Apr 16 2026
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,1,1,1,0,0,-1,0,-1,0,0,-1,0,-1,0,0,1,1,1,0,0,0,-1).
FORMULA
a(n) = floor((n^3+45*n^2+468*n+2240)/7200 - (n mod 2)*(n^2+25*n)/480 + ((3*n^2+3) mod 5)*n/50 + ((3*n^3+n^2+4*n+4) mod 5)/5). - Hoang Xuan Thanh, Apr 16 2026
MATHEMATICA
CoefficientList[Series[1/((1-x^4)(1-x^5)(1-x^6)(1-x^10)), {x, 0, 100}], x] (* Jinyuan Wang, Mar 11 2020 *)
LinearRecurrence[{0, 0, 0, 1, 1, 1, 0, 0, -1, 0, -1, 0, 0, -1, 0, -1, 0, 0, 1, 1, 1, 0, 0, 0, -1}, {1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 3, 1, 2, 1, 3, 3, 4, 2, 4, 3, 7, 4, 6, 4, 8}, 80] (* Harvey P. Dale, Dec 15 2021 *)
PROG
(PARI) Vec(1/((1-x^4)*(1-x^5)*(1-x^6)*(1-x^10)) + O(x^80)) \\ Hoang Xuan Thanh, Apr 16 2026
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved
