a(n) = Sum_{k=0..n-1} 7^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.

A083011

a(n) = Sum_{k=0..n-1} 7^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.

Terms

    a(0) =0a(1) =1a(2) =-6a(3) =15a(4) =36a(5) =-335a(6) =-1098a(7) =16955a(8) =73032a(9) =-1503963a(10) =-8075430a(11) =204957775a(12) =1319806188a(13) =-39666688711a(14) =-297958666242

External references