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A300981
Numbers k such that k^k - 10 is a prime.
2
3, 9, 27, 249
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OFFSET
1,1
COMMENTS
Next term, if it exists, is greater than 5000. -
Vaclav Kotesovec
, Mar 25 2018
LINKS
Table of n, a(n) for n=1..4.
MATHEMATICA
Select[Range[1000], PrimeQ[#^# - 10] &] (*
Vaclav Kotesovec
, Mar 25 2018 *)
PROG
(PARI) isok(k) = ispseudoprime(k^k - 10); \\
Altug Alkan
, Mar 17 2018
CROSSREFS
Numbers k such that k^k + b is a prime: this sequence (b=-10),
A300976
(b=-5),
A100408
(b=-2),
A100407
(b=2),
A166852
(b=3),
A100837
(b=4),
A100838
(b=7),
A300292
(b=9),
A100839
(b=10),
A173974
(b=43).
Sequence in context:
A143014
A202907
A032261
*
A018924
A061582
A175129
Adjacent sequences:
A300978
A300979
A300980
*
A300982
A300983
A300984
KEYWORD
nonn
,
hard
,
more
AUTHOR
Seiichi Manyama
, Mar 17 2018
STATUS
approved
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Last modified July 28 07:11 EDT 2024. Contains 374676 sequences. (Running on oeis4.)