a(n) = (n+1)!*Sum_{k=0..n} C(2k, k)*B(n-k), where B(n) is n-th Bernoulli number.
A061053
a(n) = (n+1)!*Sum_{k=0..n} C(2k, k)*B(n-k), where B(n) is n-th Bernoulli number.
Terms
- a(0) =1a(1) =3a(2) =31a(3) =416a(4) =7316a(5) =158592a(6) =4079832a(7) =121418880a(8) =4102640064a(9) =155127605760
External references
- oeis: A061053