Expansion of Product_{n>=1} (1 - x^(7*n))^7/(1 - x^n)^8 in powers of x.

Terms

a(0) =1a(1) =8a(2) =44a(3) =192a(4) =726a(5) =2464a(6) =7704a(7) =22521a(8) =62281a(9) =164252a(10) =415796a(11) =1015334a(12) =2401462a(13) =5519640a(14) =12363062a(15) =27047913a(16) =57917068a(17) =121588588a(18) =250638216a(19) =507974950a(20) =1013409244a(21) =1992161935a(22) =3862461694a(23) =7392045512a(24) =13975011909a(25) =26116935550a(26) =48277368020a(27) =88320521108a(28) =159993054081