Numbers k such that lambda(k) = lambda(k+2), where lambda is the Carmichael lambda function (A002322).

A333742

Numbers k such that lambda(k) = lambda(k+2), where lambda is the Carmichael lambda function (A002322).

Terms

    a(0) =4a(1) =6a(2) =7a(3) =180a(4) =208a(5) =427a(6) =1183a(7) =1330a(8) =1404a(9) =1480a(10) =1584a(11) =1651a(12) =1672a(13) =2013a(14) =2695a(15) =2715a(16) =3256a(17) =3439a(18) =5250a(19) =5668a(20) =5698a(21) =5950a(22) =5955a(23) =7600a(24) =12243a(25) =13392a(26) =13715a(27) =14768a(28) =22263a(29) =22878

External references