a(n) is the least k > 1 that can be represented as a sum of one or more distinct positive m-th powers for 1 <= m <= n.

A364637

a(n) is the least k > 1 that can be represented as a sum of one or more distinct positive m-th powers for 1 <= m <= n.

Terms

    a(0) =2a(1) =4a(2) =9a(3) =881a(4) =7809a(5) =134067a(6) =12939267a(7) =2029992385a(8) =122120396036

External references