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A050529 Primes of form 11*2^n+1. 4
23, 89, 353, 1409, 5767169, 23068673, 96757023244289, 26596368031521841843535873, 467888254516290387262140085218681290753, 1871553018065161549048560340874725163009, 9050275065266633231852330504065427777405047260984689248417349633 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

MATHEMATICA

Select[11*2^Range[210]+1, PrimeQ] (* Harvey P. Dale, Jun 15 2017 *)

CROSSREFS

For more terms see A002261.

Sequence in context: A158537 A117049 A142062 * A215613 A306138 A317371

Adjacent sequences:  A050526 A050527 A050528 * A050530 A050531 A050532

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 29 1999

STATUS

approved

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Last modified November 12 04:21 EST 2019. Contains 329051 sequences. (Running on oeis4.)