a(n) is the smallest k which has exactly n divisors d such that sigma(d) = sigma(d + k/d) where sigma = A000203.
A392031
a(n) is the smallest k which has exactly n divisors d such that sigma(d) = sigma(d + k/d) where sigma = A000203.
Terms
- a(0) =1a(1) =14a(2) =120a(3) =4080a(4) =132132a(5) =7361280
External references
- oeis: A392031