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

Terms

a(0) =1a(1) =0a(2) =2a(3) =3a(4) =8a(5) =11a(6) =31a(7) =41a(8) =101a(9) =156a(10) =318a(11) =498a(12) =1037a(13) =1555a(14) =3024a(15) =4889a(16) =8849a(17) =14112a(18) =25622a(19) =40322a(20) =71314a(21) =113926a(22) =194677a(23) =310819a(24) =530030a(25) =835484a(26) =1400523a(27) =2226307a(28) =3668998a(29) =5797558