a(n) is the smallest number which can be represented as the sum of 4 distinct positive n-th powers in exactly 3 ways, or -1 if no such number exists.
A374425
a(n) is the smallest number which can be represented as the sum of 4 distinct positive n-th powers in exactly 3 ways, or -1 if no such number exists.
Terms
- a(0) =13a(1) =78a(2) =1521a(3) =16578a(4) =1479604544
External references
- oeis: A374425