Sum of the squares of the first n Fibonacci numbers with index divisible by 3.
A156084
Sum of the squares of the first n Fibonacci numbers with index divisible by 3.
Terms
- a(0) =0a(1) =4a(2) =68a(3) =1224a(4) =21960a(5) =394060a(6) =7071116a(7) =126886032a(8) =2276877456a(9) =40856908180a(10) =733147469780
External references
- oeis: A156084