Coefficients in expansion of E_2/Product_{k>=1} (1-q^k)^2.

Terms

a(0) =1a(1) =-22a(2) =-115a(3) =-350a(4) =-940a(5) =-2124a(6) =-4615a(7) =-9130a(8) =-17575a(9) =-32100a(10) =-57239a(11) =-98512a(12) =-166595a(13) =-274350a(14) =-445055a(15) =-708124a(16) =-1112002a(17) =-1719410a(18) =-2629450a(19) =-3970230a(20) =-5937238a(21) =-8785502a(22) =-12889630a(23) =-18741250a(24) =-27045445a(25) =-38724088a(26) =-55074057a(27) =-77791320a(28) =-109215025