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

Terms

a(0) =1a(1) =-1a(2) =-8a(3) =-19a(4) =-13a(5) =131a(6) =497a(7) =1149a(8) =662a(9) =-4780a(10) =-22394a(11) =-55992a(12) =-75053a(13) =44519a(14) =614871a(15) =2048356a(16) =4311107a(17) =4894537a(18) =-4917495a(19) =-44555890a(20) =-140584885a(21) =-292542844a(22) =-369256294a(23) =110050979a(24) =2247025840a(25) =7757437455a(26) =17600976064a(27) =27240355017a(28) =15747025855a(29) =-71354553868