A176925 Primes of the form 2^n+41

43, 73, 2089, 8233, 131113, 33554473, 137438953513, 140737488355369, 9007199254741033, 2658455991569831745807614120560689193

Offset

1,1

Comments

Generated by n = 1, 5, 11, 13, 17, 25, 37, 47, 53, 121, 445, 629, 839, 935, 1237, 3359, 3653, 4601,... - R. J. Mathar, Aug 24 2011

The next term has 134 digits. [From Harvey P. Dale, Sep 24 2011]

Links

Table of n, a(n) for n=1..10.

Mathematica

Select[2^Range[0, 500]+41, PrimeQ] (* Harvey P. Dale, Sep 24 2011 *)

Prog

(Magma) [ a: n in [0..750] | IsPrime(a) where a is 2^n+41 ]

Crossrefs

Sequence in context: A285017 A139932 A290635 * A080177 A238248 A121957

Adjacent sequences: A176922 A176923 A176924 * A176926 A176927 A176928

Keyword

nonn

Author

Vincenzo Librandi, Apr 29 2010

Status

approved