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

Terms

a(0) =1a(1) =0a(2) =3a(3) =2a(4) =11a(5) =10a(6) =35a(7) =40a(8) =107a(9) =138a(10) =310a(11) =432a(12) =871a(13) =1262a(14) =2355a(15) =3504a(16) =6186a(17) =9318a(18) =15799a(19) =23934a(20) =39351a(21) =59672a(22) =95772a(23) =144970a(24) =228258a(25) =344244a(26) =533552a(27) =800952a(28) =1225164a(29) =1829530