Expansion of Sum_{n>=1} x^(n^2)*((1+x)/(1-x))^n.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =6a(5) =10a(6) =14a(7) =18a(8) =23a(9) =32a(10) =48a(11) =72a(12) =104a(13) =144a(14) =192a(15) =249a(16) =320a(17) =416a(18) =552a(19) =744a(20) =1008a(21) =1360a(22) =1816a(23) =2392a(24) =3105a(25) =3978a(26) =5050a(27) =6386a(28) =8082a(29) =10266