a(n) = Sum_{i=0..2n} B(i)*C(2n+1,i)*5^i where B(i) are the Bernoulli numbers, C(2n,i) the binomial numbers.
A069852
a(n) = Sum_{i=0..2n} B(i)*C(2n+1,i)*5^i where B(i) are the Bernoulli numbers, C(2n,i) the binomial numbers.
Terms
- a(0) =6a(1) =-74a(2) =1946a(3) =-88434a(4) =6154786a(5) =-607884394a(6) =80834386026
External references
- oeis: A069852