Expansion of Product_{n>0} ((1-x^n)/(1+x^n))^(n^4) in powers of x.
A285991
Expansion of Product_{n>0} ((1-x^n)/(1+x^n))^(n^4) in powers of x.
Terms
- a(0) =1a(1) =-2a(2) =-30a(3) =-100a(4) =262a(5) =3672a(6) =13836a(7) =-80a(8) =-264810a(9) =-1421438a(10) =-3019032a(11) =7630764a(12) =89648580a(13) =358974280a(14) =548677872a(15) =-2390377936a(16) =-20531491146a(17) =-74635378020a(18) =-110275527170a(19) =425036176572
External references
- oeis: A285991