a(n) = (1/sqrt(5)) * Sum_{k>0} k^(2n)/phi^(2k) where phi = (1+sqrt(5))/2 = A001622.
A100872
a(n) = (1/sqrt(5)) * Sum_{k>0} k^(2n)/phi^(2k) where phi = (1+sqrt(5))/2 = A001622.
Terms
- a(0) =1a(1) =13a(2) =421a(3) =25453a(4) =2473141a(5) =352444093a(6) =69251478661
External references
- oeis: A100872