Expansion of Product_{i>=1, j>=0} (1 + x^(i*2^j)) / (1 - x^(i*2^j)).

Terms

a(0) =1a(1) =2a(2) =6a(3) =12a(4) =28a(5) =52a(6) =104a(7) =184a(8) =340a(9) =578a(10) =1004a(11) =1652a(12) =2752a(13) =4404a(14) =7088a(15) =11080a(16) =17362a(17) =26592a(18) =40730a(19) =61284a(20) =92096a(21) =136408a(22) =201608a(23) =294456a(24) =428952a(25) =618658a(26) =889684a(27) =1268624a(28) =1803520a(29) =2545164