Odd squarefree numbers n > 1 such that lambda(n)^2 = phi(n), where lambda is the Carmichael lambda function and phi is Euler's totient function.

A276980

Odd squarefree numbers n > 1 such that lambda(n)^2 = phi(n), where lambda is the Carmichael lambda function and phi is Euler's totient function.

Terms

    a(0) =273a(1) =1729a(2) =2109a(3) =2255a(4) =4433a(5) =4641a(6) =4697a(7) =5673a(8) =6643a(9) =6935a(10) =7667a(11) =8103a(12) =8729a(13) =10235a(14) =11543a(15) =14497a(16) =16385a(17) =16523a(18) =17507a(19) =18915a(20) =20033a(21) =22649a(22) =23579a(23) =26691a(24) =29309a(25) =29393a(26) =34799a(27) =35853a(28) =35929a(29) =37209

External references