Let f(m) = number of steps needed to reach a Harshad number when the map k->A062028(l) is iterated starting at m; a(n) = smallest m such that f(m) = n.

A181664

Let f(m) = number of steps needed to reach a Harshad number when the map k->A062028(l) is iterated starting at m; a(n) = smallest m such that f(m) = n.

Terms

    a(0) =15a(1) =19a(2) =14a(3) =28a(4) =23a(5) =16a(6) =22a(7) =65a(8) =55a(9) =142a(10) =134a(11) =130a(12) =119a(13) =109a(14) =95a(15) =79a(16) =71a(17) =58a(18) =47a(19) =37a(20) =32a(21) =25a(22) =17a(23) =13a(24) =11a(25) =44a(26) =256a(27) =245a(28) =235a(29) =815

External references