Values of p for which 2^p - 1 is prime and which are followed by a gap such that no 2^q - 1 is prime for p < q < 2*p.

A152783

Values of p for which 2^p - 1 is prime and which are followed by a gap such that no 2^q - 1 is prime for p < q < 2*p.

Terms

    a(0) =127a(1) =607a(2) =4423a(3) =216091a(4) =1398269a(5) =3021377

External references