

A059614


Numbers k such that 6^k  5 is prime.


8



2, 3, 4, 29, 31, 34, 53, 65, 94, 202, 288, 415, 457, 483, 703, 762, 1285, 1464, 2094, 3384, 9335, 15955, 18910, 73119, 125418, 143273, 584279
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OFFSET

1,1


COMMENTS

The next term in the sequence is greater than 12400.  Dmitry Kamenetsky, Oct 02 2008


LINKS

Table of n, a(n) for n=1..27.
Henri Lifchitz and Renaud Lifchitz, PRP Records.


EXAMPLE

65 is present because 6^65  5 is prime.


PROG

(PARI) is(n)=ispseudoprime(6^n5) \\ Charles R Greathouse IV, Feb 20 2017


CROSSREFS

Sequence in context: A274677 A100604 A062931 * A333074 A241974 A226055
Adjacent sequences: A059611 A059612 A059613 * A059615 A059616 A059617


KEYWORD

nonn


AUTHOR

Andrey V. Kulsha, Feb 09 2001


EXTENSIONS

a(21), corresponding to a probable prime, from Dmitry Kamenetsky, Oct 02 2008
a(22)a(23) from Henri Lifchitz
a(24)a(25) from Lelio R. Paula
a(26) from Paul Bourdelais, Jan 28 2021
a(27) from Paul Bourdelais, Feb 26 2021


STATUS

approved



