Expansion of Product_{k>=1} 1/((1 - x^(2*k))*(1 - x^(2*k-1))^3).

Terms

a(0) =1a(1) =3a(2) =7a(3) =16a(4) =32a(5) =61a(6) =112a(7) =197a(8) =336a(9) =560a(10) =912a(11) =1456a(12) =2287a(13) =3536a(14) =5392a(15) =8123a(16) =12096a(17) =17824a(18) =26016a(19) =37632a(20) =53984a(21) =76848a(22) =108601a(23) =152432a(24) =212592a(25) =294704a(26) =406201a(27) =556864a(28) =759488a(29) =1030784