Expansion of Product_{n>=1} (1 - x^(5*n))^12/(1 - x^n)^13 in powers of x.

Terms

a(0) =1a(1) =13a(2) =104a(3) =637a(4) =3276a(5) =14808a(6) =60541a(7) =228124a(8) =803010a(9) =2667054a(10) =8422715a(11) =25446304a(12) =73907808a(13) =207209614a(14) =562673618a(15) =1484147681a(16) =3811882087a(17) =9553588317a(18) =23407932874a(19) =56161135485a(20) =132132608899a(21) =305240006266a(22) =693150485885