a(n) = Sum_{k=0,n-1} 5^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.

A083009

a(n) = Sum_{k=0,n-1} 5^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.

Terms

    a(0) =0a(1) =1a(2) =-4a(3) =6a(4) =16a(5) =-74a(6) =-264a(7) =1946a(8) =9056a(9) =-88434a(10) =-512024a(11) =6154786a(12) =42716496a(13) =-607884394a(14) =-4920817384a(15) =80834386026a(16) =747784582336

External references