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A309421 Numbers k such that 5^k + k^5 is prime. 1
24, 1036, 104824 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(4) > 125000.
LINKS
Table of n, a(n) for n=1..3.
CROSSREFS
Cf. A001593, A114973, A309422.
Sequence in context: A222933 A222384 A129622 * A344095 A272690 A112011
Adjacent sequences: A309418 A309419 A309420 * A309422 A309423 A309424
KEYWORD
nonn,bref,more,hard
AUTHOR
Hugo Pfoertner, Jul 30 2019
STATUS
approved

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Last modified May 31 22:12 EDT 2024. Contains 373007 sequences. (Running on oeis4.)