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

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =12a(5) =32a(6) =72a(7) =176a(8) =384a(9) =960a(10) =2112a(11) =4992a(12) =11264a(13) =26112a(14) =58368a(15) =136192a(16) =301056a(17) =688128a(18) =1548288a(19) =3489792a(20) =7766016a(21) =17596416a(22) =38993920a(23) =87293952a(24) =194248704a(25) =432537600a(26) =957349888a(27) =2132803584a(28) =4699717632a(29) =10406068224