a(n+1) = (1 + a(0)^4 + ... + a(n)^4 )/(n+1) (not always integral!).

A005167

a(n+1) = (1 + a(0)^4 + ... + a(n)^4 )/(n+1) (not always integral!).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =2193

External references