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

A374272

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

Terms

    a(0) =-1a(1) =10370a(2) =999979163a(3) =199898912404

External references