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A302090
Numbers k such that 6*k^k + 5 is prime.
3
0, 1, 2, 3, 6, 7, 134, 533, 2911, 4351
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OFFSET
1,3
COMMENTS
a(11) > 50000. 
Robert Price
, Feb 16 2020
LINKS
Table of n, a(n) for n=1..10.
PROG
(PARI) for(n=0, 500, if(isprime(6*n^n+5), print1(n", ")))
CROSSREFS
Numbers k such that b*k^k + b  1 is prime:
A110932
(b=2),
A160360
(b=3),
A301520
(b=4),
A302088
(b=5), this sequence (b=6).
Cf.
A302091
.
Sequence in context:
A070301
A329294
A291659
*
A088414
A133441
A086254
Adjacent sequences:
A302087
A302088
A302089
*
A302091
A302092
A302093
KEYWORD
nonn
,
more
,
hard
AUTHOR
Seiichi Manyama
, Apr 01 2018
EXTENSIONS
a(8) from
Jon E. Schoenfield
, Apr 01 2018
a(9)a(10) from
Vaclav Kotesovec
, Apr 01 2018
STATUS
approved
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Last modified August 3 18:16 EDT 2024. Contains 374899 sequences. (Running on oeis4.)