Numbers n such that 223*2^n-1 is a prime.

A050863

Numbers n such that 223*2^n-1 is a prime.

Terms

    a(0) =3a(1) =19a(2) =91a(3) =211a(4) =699a(5) =819a(6) =1323a(7) =4635a(8) =38019a(9) =307755

External references