a(n) is the least number that reaches 1 after n iterations of the infinitary totient function A064380.

A362025

a(n) is the least number that reaches 1 after n iterations of the infinitary totient function A064380.

Terms

    a(0) =2a(1) =3a(2) =4a(3) =5a(4) =9a(5) =11a(6) =16a(7) =17a(8) =28a(9) =29a(10) =46a(11) =47a(12) =99a(13) =145a(14) =167a(15) =205a(16) =314a(17) =397a(18) =437a(19) =793a(20) =851a(21) =1137a(22) =1693a(23) =2453a(24) =2771a(25) =2989a(26) =3701a(27) =5099a(28) =6801a(29) =9299

External references