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A290022 Prime numbers of the form 6^k - 7. 1
29, 1289, 46649, 1679609, 10077689, 60466169, 470184984569, 3656158440062969, 623673825204293256669089197883129849, 134713546244127343440523266742756048889, 293242067884135544935936513642647623193965101049 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

F. Firoozbakht, M. F. Hasler, Variations on Euclid's formula for Perfect Numbers, JIS 13 (2010) #10.3.1.

Henri & Renaud Lifchitz, PRP Records

OpenPFGW Project, Primality Tester

MATHEMATICA

Select[Table[6^k - 7], {k, 2, 100}], PrimeQ[#] &]

CROSSREFS

Cf. A217352.

Sequence in context: A264351 A195740 A139192 * A191968 A049657 A091994

Adjacent sequences:  A290019 A290020 A290021 * A290023 A290024 A290025

KEYWORD

nonn

AUTHOR

Robert Price, Sep 03 2017

STATUS

approved

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Last modified June 17 19:57 EDT 2021. Contains 345085 sequences. (Running on oeis4.)