Least number that reaches 1 after n iterations of the infinitary totient function A091732.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =11a(6) =17a(7) =47a(8) =85a(9) =227a(10) =257a(11) =919a(12) =1229a(13) =2459a(14) =4369a(15) =9839a(16) =30865a(17) =101503a(18) =148157a(19) =438499a(20) =828297a(21) =2201671a(22) =3316617a(23) =11055391a(24) =35354993a(25) =140810491a(26) =188991053a(27) =377982107a(28) =848170377a(29) =1704741139