1,1

Ray Ballinger, Proth Search Page

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Sequence in context: A020477 A140633 A142400 this_sequence A101746 A001921 A098362

Adjacent sequences: A032457 A032458 A032459 this_sequence A032461 A032462 A032463

nonn,hard

N. J. A. Sloane (njas(AT)research.att.com).