Numerator of Bernoulli(2*n)/(2*n).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =1a(5) =-691a(6) =1a(7) =-3617a(8) =43867a(9) =-174611a(10) =77683a(11) =-236364091a(12) =657931a(13) =-3392780147a(16) =151628697551