Least number to start a run of exactly n nondecreasing values of sigma (sum of divisors, A000203).
A285893
Least number to start a run of exactly n nondecreasing values of sigma (sum of divisors, A000203).
Terms
- a(0) =45a(1) =5a(2) =313a(3) =1a(4) =356067536821a(5) =36721681
External references
- oeis: A285893