G.f.: Sum_{k>=1} (k^4 * x^(k^2) / Product_{j=1..k} (1 - x^j)).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =17a(5) =17a(6) =33a(7) =33a(8) =49a(9) =130a(10) =146a(11) =227a(12) =324a(13) =405a(14) =502a(15) =664a(16) =1017a(17) =1179a(18) =1613a(19) =2031a(20) =2721a(21) =3220a(22) =4166a(23) =4921a(24) =6204a(25) =7840a(26) =9379a(27) =11352a(28) =14028a(29) =16882