Expansion of 1/Product_{n>=1} (1 - (q + q^2)^n).

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =16a(5) =36a(6) =79a(7) =171a(8) =367a(9) =776a(10) =1625a(11) =3379a(12) =6969a(13) =14262a(14) =29001a(15) =58644a(16) =117951a(17) =235994a(18) =469904a(19) =931642a(20) =1839708a(21) =3618893a(22) =7092676a(23) =13853271a(24) =26970933a(25) =52350092a(26) =101316743a(27) =195544281a(28) =376411466a(29) =722747148