Expansion of Product_{k>=0} 1/(1-x^(4*k+1))^(4*k+1).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =6a(6) =6a(7) =6a(8) =6a(9) =15a(10) =30a(11) =30a(12) =30a(13) =43a(14) =88a(15) =123a(16) =123a(17) =140a(18) =250a(19) =385a(20) =455a(21) =476a(22) =678a(23) =1098a(24) =1413a(25) =1564a(26) =1913a(27) =2918a(28) =4048a(29) =4707