a(n) is the smallest number which can be represented as the sum of 4 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.
A375331
a(n) is the smallest number which can be represented as the sum of 4 distinct positive n-th powers in exactly 4 ways, or -1 if no such number exists.
Terms
- a(0) =-1a(1) =142a(2) =4445a(3) =300834
External references
- oeis: A375331