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

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =36a(6) =94a(7) =243a(8) =628a(9) =1619a(10) =4178a(11) =10776a(12) =27793a(13) =71682a(14) =184879a(15) =476832a(16) =1229830a(17) =3171942a(18) =8180989a(19) =21100215a(20) =54421187a(21) =140361900a(22) =362018270a(23) =933709453a(24) =2408202606a(25) =6211182512a(26) =16019743522a(27) =41317765457a(28) =106565859669a(29) =274852289679