Odd composite numbers k for which the number of witnesses for strong pseudoprimality of k equals phi(k)/4, where phi is the Euler totient function (A000010).

A329759

Odd composite numbers k for which the number of witnesses for strong pseudoprimality of k equals phi(k)/4, where phi is the Euler totient function (A000010).

Terms

    a(0) =15a(1) =91a(2) =703a(3) =1891a(4) =8911a(5) =12403a(6) =38503a(7) =79003a(8) =88831a(9) =146611a(10) =188191a(11) =218791a(12) =269011a(13) =286903a(14) =385003a(15) =497503a(16) =597871a(17) =736291a(18) =765703a(19) =954271a(20) =1024651a(21) =1056331a(22) =1152271a(23) =1314631a(24) =1869211a(25) =2741311a(26) =3270403a(27) =3913003a(28) =4255903a(29) =4686391

External references