Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.

A234388

Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.

Terms

    a(0) =3a(1) =5a(2) =7a(3) =13a(4) =17a(5) =31a(6) =61a(7) =97a(8) =127a(9) =193a(10) =241a(11) =257a(12) =769a(13) =1009a(14) =1021a(15) =2017a(16) =4093a(17) =7681a(18) =8161a(19) =8191a(20) =12289a(21) =15361a(22) =16369a(23) =16381a(24) =32257a(25) =61441a(26) =64513a(27) =65521a(28) =65537a(29) =131041

External references