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A291860 Prime numbers of the form 7^k - 8. 1
41, 2393, 5764793, 282475241, 1798465042647412146620280340569649349251241, 380532926880843152923706465386871407580539099147930273794471851842901108534824949331057641 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..7

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[7^k - 8], {k, 2, 100}], PrimeQ[#] &]

CROSSREFS

Cf. A217131.

Sequence in context: A233095 A223384 A211907 * A193124 A223004 A275093

Adjacent sequences:  A291857 A291858 A291859 * A291861 A291862 A291863

KEYWORD

nonn

AUTHOR

Robert Price, Sep 04 2017

STATUS

approved

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Last modified July 6 04:31 EDT 2022. Contains 355108 sequences. (Running on oeis4.)