a(n) = Sum_{i=0..2n} B(i)*C(2n+1,i)*6^i where B(i) are the Bernoulli numbers, C(2n,i) the binomial coefficients.
A069994
a(n) = Sum_{i=0..2n} B(i)*C(2n+1,i)*6^i where B(i) are the Bernoulli numbers, C(2n,i) the binomial coefficients.
Terms
- a(0) =-2a(1) =10a(2) =-170a(3) =6370a(4) =-415826a(5) =41649850a(6) =-5922729722
External references
- oeis: A069994