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A180924
Numbers n such that 12321*2^n + 1 is prime.
0
4, 24, 29, 47, 61, 63, 67, 69, 87, 101, 129, 143, 153, 249, 252, 333, 408, 561, 616, 732, 929, 1349, 3467, 6156, 6919, 9244, 14413, 17128, 20059, 20169, 20512, 23479, 24076, 26208, 27189
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..35.
PROG
(PARI) is(n)=ispseudoprime(12321<<n+1) \\
Charles R Greathouse IV
, Jun 13 2017
CROSSREFS
Sequence in context:
A348299
A144137
A238222
*
A366190
A176900
A166727
Adjacent sequences:
A180921
A180922
A180923
*
A180925
A180926
A180927
KEYWORD
nonn
AUTHOR
Jason Earls
, Sep 25 2010
STATUS
approved
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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)