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

Terms

a(0) =1a(1) =1a(2) =4a(3) =11a(4) =32a(5) =84a(6) =230a(7) =597a(8) =1567a(9) =4020a(10) =10286a(11) =25994a(12) =65387a(13) =163065a(14) =404617a(15) =997687a(16) =2448220a(17) =5977334a(18) =14530835a(19) =35173496a(20) =84814982a(21) =203760809a(22) =487845377a(23) =1164191563a(24) =2769721073a(25) =6570218773a(26) =15542642042a(27) =36671354125a(28) =86306246887a(29) =202637312099