Unreduced numerator of Sum[k=1..n, -(-1)^k/(F(k)*F(k+1))], with F(i) = A000045(i) the Fibonacci numbers.

A095917

Unreduced numerator of Sum[k=1..n, -(-1)^k/(F(k)*F(k+1))], with F(i) = A000045(i) the Fibonacci numbers.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =108a(4) =4500a(5) =460800a(6) =126547200a(7) =90150278400

External references