A046848 Primes of form n*2^n+(n-1).

2, 67, 389, 32212254749, 584115552289, 1861861819085211933448282832989, 22747455000408352326750293979672813380881340606518608030931171147991

Offset

1,1

Comments

The next term has 341 digits. - Harvey P. Dale, Apr 15 2017

Links

Table of n, a(n) for n=1..7.

Mathematica

Select[Table[n 2^n+n-1, {n, 300}], PrimeQ] (* Harvey P. Dale, Apr 15 2017 *)

Crossrefs

Cf. A046849.

Sequence in context: A174602 A154880 A160958 * A318064 A089661 A355326

Adjacent sequences: A046845 A046846 A046847 * A046849 A046850 A046851

Keyword

hard,nonn

Author

Felice Russo

Status

approved