a(n) = sum(k=0,n,B_k*A000629(k)*A000629(n-k)) where B_k is the k-th Bernoulli number.

A111154

a(n) = sum(k=0,n,B_k*A000629(k)*A000629(n-k)) where B_k is the k-th Bernoulli number.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =22a(4) =125a(5) =948a(6) =8627a(7) =86618a(8) =970649a(9) =13105048a(10) =206672615a(11) =3084750894a(12) =39005776445a(13) =972651041372

External references