a(n) = Numerator(-4*n^2*Zeta(1 - n)^2*(1 - 2^n)) for n >= 1, a(0) = 0.

Terms

a(0) =0a(1) =1a(2) =1a(3) =0a(4) =1a(5) =0a(6) =1a(7) =0a(8) =17a(9) =0a(10) =775a(11) =0a(12) =477481a(13) =0a(14) =267589a(15) =0a(16) =3362251073a(17) =0a(18) =421424697891a(19) =0a(21) =0a(23) =0a(25) =0a(27) =0a(29) =0