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A195745 Primes of the form 15*2^n + 1. 4
31, 61, 241, 7681, 15361, 61441, 2013265921, 2061584302081, 4123168604161, 263882790666241, 4222124650659841, 4533471823554859405148161, 77884452878022414427957444938301441, 5612166287350667205902149757630526795478780965027841 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Primes in A195744.

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Sequence in context: A139892 A088464 A088463 * A078855 A053430 A040930

Adjacent sequences:  A195742 A195743 A195744 * A195746 A195747 A195748

KEYWORD

nonn

AUTHOR

Brad Clardy, Sep 23 2011

EXTENSIONS

Offset corrected and name changed by Arkadiusz Wesolowski, Sep 23 2011

STATUS

approved

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Last modified January 18 00:56 EST 2021. Contains 340249 sequences. (Running on oeis4.)