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A205776 Primes of the form 2*6^n+1. 1
3, 13, 73, 433, 2593, 120932353, 725594113, 33853318889473, 7312316880125953, 12281884428929630994433, 160409934466124808814066151718913, 44904515414709114480174422247585349633, 452534055376752384160395854386801887645007873 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..19

MATHEMATICA

Select[2*6^Range[0, 500] + 1, PrimeQ]

CROSSREFS

Cf. A120023, A205771

Sequence in context: A193930 A063512 A199317 * A132846 A293196 A193931

Adjacent sequences:  A205773 A205774 A205775 * A205777 A205778 A205779

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 31 2012

STATUS

approved

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Last modified December 5 12:51 EST 2020. Contains 338947 sequences. (Running on oeis4.)