Expansion of Product_{k>=1} 1/(1 - x^k)^((5*k-1)*binomial(k+2,3)/4).

Terms

a(0) =1a(1) =1a(2) =10a(3) =45a(4) =185a(5) =710a(6) =2766a(7) =10270a(8) =37444a(9) =132765a(10) =462327a(11) =1579563a(12) =5311361a(13) =17584084a(14) =57414594a(15) =185032557a(16) =589183035a(17) =1854974066a(18) =5778722817a(19) =17823440534a(20) =54458411332a(21) =164917654587a(22) =495219323844