a(n) is the smallest number which can be represented as the sum of 3 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

A374423

a(n) is the smallest number which can be represented as the sum of 3 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

Terms

    a(0) =10a(1) =161a(2) =13896a(3) =5978882

External references