Largest number m such that repeated application of A235600 takes n steps to reach 1, where A235600(k) = k/A007953(k) if the digital sum A007953(k) divides k, A235600(k) = k otherwise.

A236385

Largest number m such that repeated application of A235600 takes n steps to reach 1, where A235600(k) = k/A007953(k) if the digital sum A007953(k) divides k, A235600(k) = k otherwise.

Terms

    a(0) =1a(1) =9a(2) =84a(3) =1458a(4) =39366a(5) =1062882a(6) =47829690a(7) =1721868840a(8) =92980917360

External references