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

Terms

a(0) =1a(1) =1a(2) =11a(3) =46a(4) =185a(5) =700a(6) =2676a(7) =9646a(8) =34166a(9) =117500a(10) =396506a(11) =1310527a(12) =4258313a(13) =13607309a(14) =42846151a(15) =133039791a(16) =407833188a(17) =1235202869a(18) =3699140386a(19) =10960888382a(20) =32154531807a(21) =93437164720a(22) =269087234273a(23) =768340525743