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

A374271

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

Terms

    a(0) =-1a(1) =2210a(2) =8627527a(3) =616151524a(4) =876639080351

External references