Alternating sum of the squares of the first n Fibonacci numbers with index divisible by 4.

A156092

Alternating sum of the squares of the first n Fibonacci numbers with index divisible by 4.

Terms

    a(0) =0a(1) =-9a(2) =432a(3) =-20304a(4) =953865a(5) =-44811360a(6) =2105180064a(7) =-98898651657

External references