Carmichael numbers k such that Euler totient function of k (phi(k)) is a cube.

A290793

Carmichael numbers k such that Euler totient function of k (phi(k)) is a cube.

Terms

    a(0) =63973a(1) =18162001a(2) =26921089a(3) =133205761a(4) =225745345a(5) =490503601a(6) =496050841a(7) =698548201a(8) =1031750401a(9) =1100674561a(10) =1384157161a(11) =2178944461a(12) =3805181281a(13) =11351100241a(14) =12648201841a(15) =26498875681a(16) =26542598401a(17) =28553256865a(18) =28645206001a(19) =37590868801a(20) =39866123377a(21) =40527674881

External references