Least number that reaches 1 after exactly n iterations of the infinitary analog of the totient function A384247.

A385747

Least number that reaches 1 after exactly n iterations of the infinitary analog of the totient function A384247.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =9a(6) =16a(7) =17a(8) =41a(9) =73a(10) =101a(11) =197a(12) =467a(13) =829a(14) =1109a(15) =2761a(16) =4849a(17) =7831a(18) =12401a(19) =26189a(20) =52379a(21) =85853a(22) =139589a(23) =237007a(24) =395533a(25) =947043a(26) =1967027a(27) =3446033a(28) =5396427a(29) =9510437

External references