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

Terms

a(0) =1a(1) =1a(2) =7a(3) =26a(4) =91a(5) =290a(6) =946a(7) =2922a(8) =8937a(9) =26521a(10) =77485a(11) =222005a(12) =626988a(13) =1743739a(14) =4787625a(15) =12979799a(16) =34792728a(17) =92257673a(18) =242197348a(19) =629805075a(20) =1623197726a(21) =4148192991a(22) =10516418844a(23) =26458470616a(24) =66086152465a(25) =163925621199a(26) =403931474096a(27) =989040788801