Numerators of zeta(2*n)/Pi^(2*n).

Terms

a(0) =-1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =691a(7) =2a(8) =3617a(9) =43867a(10) =174611a(11) =155366a(12) =236364091a(13) =1315862a(14) =6785560294a(17) =151628697551