a(n) is the smallest number which can be represented as the sum of 6 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

A375333

a(n) is the smallest number which can be represented as the sum of 6 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

Terms

    a(0) =-1a(1) =187a(2) =2492a(3) =56290a(4) =24993485a(5) =2063792939

External references