Numbers k such that phi(k)/lambda(k) increases to a record value, where phi(k) is the Euler totient function (A000010) and lambda(k) is the Carmichael lambda function (A002322).

A066605

Numbers k such that phi(k)/lambda(k) increases to a record value, where phi(k) is the Euler totient function (A000010) and lambda(k) is the Carmichael lambda function (A002322).

Terms

    a(0) =1a(1) =8a(2) =24a(3) =63a(4) =80a(5) =240a(6) =455a(7) =819a(8) =1365a(9) =2387a(10) =2720a(11) =3276a(12) =3591a(13) =4095a(14) =7280a(15) =9139a(16) =13104a(17) =18981a(18) =21483a(19) =21840a(20) =24605a(21) =32760a(22) =44289a(23) =45695a(24) =63973a(25) =122915a(26) =132867a(27) =172081a(28) =191919a(29) =246753

External references