OFFSET
0,11
COMMENTS
Number of partitions of n into parts 3, 7, 10, and 12. - Hoang Xuan Thanh, Apr 12 2026
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,1,0,0,0,1,0,0,0,0,1,-1,0,-1,0,-1,0,-1,1,0,0,0,0,1,0,0,0,1,0,0,-1).
FORMULA
a(n) = floor((n^3+48*n^2+864*n+1134)/15120 - (n mod 2)*(n+114)/240 - ((2*n^2+n) mod 3)*n/36 + ((5*n^3+2*n^2+n+1) mod 7)/7 + (1-(floor(n/5) mod 2))*((n^4+4*n^3+2*n^2+n+4) mod 5)/5 + (floor(n/5) mod 2)*((4*n^4+3*n^3+4*n^2+4*n+2) mod 5)/5). - Hoang Xuan Thanh, Apr 12 2026
MATHEMATICA
CoefficientList[Series[1/((1-x^3)(1-x^7)(1-x^10)(1-x^12)), {x, 0, 100}], x] (* Jinyuan Wang, Mar 12 2020 *)
PROG
(PARI) Vec(1/((1-x^3)*(1-x^7)*(1-x^10)*(1-x^12)) + O(x^50)) \\ Hoang Xuan Thanh, Apr 12 2026
CROSSREFS
KEYWORD
nonn,easy,changed
AUTHOR
STATUS
approved
