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

Terms

a(0) =1a(1) =1a(2) =0a(3) =4a(4) =4a(5) =9a(6) =15a(7) =22a(8) =52a(9) =65a(10) =129a(11) =190a(12) =335a(13) =534a(14) =814a(15) =1399a(16) =2074a(17) =3462a(18) =5135a(19) =8303a(20) =12658a(21) =19562a(22) =30182a(23) =45542a(24) =70620a(25) =105034a(26) =161223a(27) =239532a(28) =362929a(29) =539252