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

Terms

a(0) =1a(1) =0a(2) =2a(3) =6a(4) =11a(5) =32a(6) =60a(7) =148a(8) =279a(9) =690a(10) =1312a(11) =2778a(12) =5684a(13) =11282a(14) =22920a(15) =44724a(16) =87919a(17) =168978a(18) =329800a(19) =623086a(20) =1189794a(21) =2235744a(22) =4189442a(23) =7795642a(24) =14438670a(25) =26577246a(26) =48616050a(27) =88724110a(28) =160629612a(29) =290267100