L.g.f.: -log(1 - Sum_{n>=1} x^(n^2)) = Sum_{n>=1} a(n)*x^n/n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =6a(5) =7a(6) =8a(7) =13a(8) =28a(9) =36a(10) =45a(11) =59a(12) =92a(13) =134a(14) =186a(15) =269a(16) =375a(17) =538a(18) =761a(19) =1080a(20) =1520a(21) =2157a(22) =3060a(23) =4339a(24) =6181a(25) =8750a(26) =12394a(27) =17554a(28) =24912a(29) =35322