Expansion of Product_{k>=1} (1 + x^k)^(k*(5*k-3)/2).

Terms

a(0) =1a(1) =1a(2) =7a(3) =25a(4) =73a(5) =236a(6) =688a(7) =1994a(8) =5573a(9) =15272a(10) =40896a(11) =107526a(12) =277999a(13) =707209a(14) =1774067a(15) =4390665a(16) =10734216a(17) =25941541a(18) =62022609a(19) =146793160a(20) =344129900a(21) =799517074a(22) =1841734224a(23) =4208327222a(24) =9542121050a(25) =21477834062a(26) =48005313446a(27) =106579556936a(28) =235107392079a(29) =515441826521