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A029314
Expansion of 1/((1-x^3)*(1-x^7)*(1-x^10)*(1-x^12)).
0
1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 2, 0, 2, 2, 1, 2, 2, 2, 2, 3, 3, 3, 4, 3, 5, 4, 4, 6, 5, 5, 7, 7, 6, 8, 9, 7, 10, 10, 9, 11, 12, 11, 13, 14, 13, 15, 16, 15, 18, 18, 18, 20, 21, 20, 23, 24, 23, 26, 27, 26, 30, 30, 30, 33, 34, 33, 37
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
Sequence in context: A384195 A360022 A118206 * A071635 A156643 A378972
KEYWORD
nonn,easy,changed
STATUS
approved