Sum_{k=1..n} k*a(k) is a Fibonacci number. a(n) = A112365(n)/n.

A112366

Sum_{k=1..n} k*a(k) is a Fibonacci number. a(n) = A112365(n)/n.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =17a(4) =11a(5) =7704a(6) =304563a(7) =20425229a(8) =15490920256

External references