a(n) is the smallest number which can be represented as the sum of 5 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

A375332

a(n) is the smallest number which can be represented as the sum of 5 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.

Terms

    a(0) =-1a(1) =151a(2) =2465a(3) =54994a(4) =1386406515a(5) =351060139210

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