Denominator of (2n+1)(2n+2) B_{2n}, where B_n are the Bernoulli numbers. Also denominators of the asymptotic expansion of the polygamma function psi'''(z).
A006956
Denominator of (2n+1)(2n+2) B_{2n}, where B_n are the Bernoulli numbers. Also denominators of the asymptotic expansion of the polygamma function psi'''(z).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =15a(8) =1a(9) =5a(10) =21a(11) =5a(12) =1a(13) =21a(14) =1a(15) =1a(16) =231a(17) =5a(18) =1a(19) =1365a(20) =1a(21) =55a(22) =21a(23) =1a(24) =1a(25) =663a(26) =11a(27) =5a(28) =57a(29) =5
External references
- oeis: A006956