Numerator of (2n+1)(2n+2) B_{2n}, where B_n are the Bernoulli numbers. Also numerators of the asymptotic expansion of the polygamma function psi'''(z).

A076549

Numerator of (2n+1)(2n+2) B_{2n}, where B_n are the Bernoulli numbers. Also numerators of the asymptotic expansion of the polygamma function psi'''(z).

Terms

    a(0) =2a(1) =3a(2) =2a(3) =-1a(4) =4a(5) =-3a(6) =10a(7) =-691a(8) =280a(9) =-10851a(10) =438670a(11) =-1222277a(12) =3418052a(13) =-1181820455a(14) =1077690978a(15) =-23749461029

External references