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

Terms

a(0) =1a(1) =1a(2) =4a(3) =11a(4) =35a(5) =87a(6) =271a(7) =659a(8) =1908a(9) =4832a(10) =13132a(11) =32688a(12) =89109a(13) =218385a(14) =571489a(15) =1427388a(16) =3652877a(17) =8980805a(18) =22858201a(19) =55822728a(20) =140065621a(21) =342001192a(22) =845707856a(23) =2052802367a(24) =5057431745a(25) =12197383588a(26) =29738238996a(27) =71604414162a(28) =173406091548a(29) =415167136507