Semiprimes whose both factors are Fermat primes.

A333788

Semiprimes whose both factors are Fermat primes.

Terms

    a(0) =9a(1) =15a(2) =25a(3) =51a(4) =85a(5) =289a(6) =771a(7) =1285a(8) =4369a(9) =66049a(10) =196611a(11) =327685a(12) =1114129a(13) =16843009a(14) =4295098369

External references