Expansion of Product_{m>=1} (1+q^m)^30.

Terms

a(0) =1a(1) =30a(2) =465a(3) =4990a(4) =41820a(5) =292236a(6) =1773325a(7) =9603210a(8) =47322525a(9) =215286380a(10) =914269641a(11) =3656192760a(12) =13865226845a(13) =50148901590a(14) =173821904265a(15) =579696375972