(Fibonacci(n)^(n+1)-1)/(Fibonacci(n)-1).

A131612

(Fibonacci(n)^(n+1)-1)/(Fibonacci(n)-1).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =15a(4) =121a(5) =3906a(6) =299593a(7) =67977560a(8) =39714002329

External references