Numerators of an approximation to zeta(n)/Pi^n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =61a(7) =1a(8) =277a(9) =1a(10) =50521a(11) =691a(12) =540553a(13) =2a(14) =199360981a(15) =3617a(16) =3878302429a(17) =43867a(19) =174611a(21) =155366a(23) =236364091a(25) =1315862a(27) =6785560294