A325914 Primes of the form (2^k-1)*2^(k+1)+1.

5, 113, 140737471578113, 9444732965601851473921, 604462909806215075725313, 10384593717069655112945804582584321, 2854495385411919762116496381035264358442074113, 187072209578355573530071639244871112681892570202113

Offset: 1

Author

Gary Wright, Sep 08 2019

Keywords

• nonn

Comments

The next two terms are 883423532389192164791648750371459256584513952652893606156996040365965313

and 3533694129556768659166595001485837028996511802181406170435598282024550401. - N. J. A. Sloane, Sep 13 2019

Crossrefs

These are the primes in A092440. See A006598 for the values of k.

Extensions

Edited by N. J. A. Sloane, Sep 13 2019