Expansion of Product_{k>=1} (1 - x^k)^(-k^3).

Terms

a(0) =1a(1) =1a(2) =9a(3) =36a(4) =136a(5) =477a(6) =1703a(7) =5746a(8) =19099a(9) =61622a(10) =195366a(11) =607069a(12) =1856516a(13) =5586870a(14) =16579850a(15) =48549116a(16) =140438966a(17) =401592524a(18) =1136121837a(19) =3181700219a(20) =8825733603a(21) =24261363403a(22) =66124058839a(23) =178757752892a(24) =479513547399