Expansion of Product_{n>=1} (1 - x^(5*n))/(1 - x^n)^3 in powers of x.

Terms

a(0) =1a(1) =3a(2) =9a(3) =22a(4) =51a(5) =107a(6) =218a(7) =420a(8) =788a(9) =1428a(10) =2531a(11) =4375a(12) =7430a(13) =12377a(14) =20313a(15) =32833a(16) =52402a(17) =82585a(18) =128750a(19) =198588a(20) =303428a(21) =459375a(22) =689710a(23) =1027243a(24) =1518709a(25) =2229375a(26) =3251022a(27) =4710777a(28) =6785378a(29) =9717677