Expansion of Product_{k>0} (1 - x^k)^(2^(k-1)) in powers of x.

Terms

a(0) =1a(1) =-1a(2) =-2a(3) =-2a(4) =-3a(5) =-1a(6) =-2a(7) =6a(8) =12a(9) =36a(10) =74a(11) =162a(12) =301a(13) =599a(14) =1090a(15) =1986a(16) =3479a(17) =5993a(18) =9852a(19) =15644a(20) =23094a(21) =30690a(22) =31868a(23) =9068a(24) =-82372a(25) =-345308a(26) =-1010956a(27) =-2577868a(28) =-6098822a(29) =-13751218