Alternating sum of the squares of the first n even-indexed Fibonacci numbers.

A156088

Alternating sum of the squares of the first n even-indexed Fibonacci numbers.

Terms

    a(0) =0a(1) =-1a(2) =8a(3) =-56a(4) =385a(5) =-2640a(6) =18096a(7) =-124033a(8) =850136a(9) =-5826920a(10) =39938305a(11) =-273741216a(12) =1876250208a(13) =-12860010241a(14) =88143821480a(15) =-604146740120

External references