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

Terms

a(0) =0a(1) =1a(2) =4a(3) =13a(4) =38a(5) =101a(6) =252a(7) =594a(8) =1340a(9) =2907a(10) =6104a(11) =12447a(12) =24744a(13) =48068a(14) =91476a(15) =170838a(16) =313646a(17) =566824a(18) =1009628a(19) =1774290a(20) =3079338a(21) =5282172a(22) =8962288a(23) =15050848a(24) =25032420a(25) =41255101a(26) =67406472a(27) =109236685a(28) =175654072a(29) =280371510