A309421 Numbers k such that 5^k + k^5 is prime.

24, 1036, 104824

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