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URL: https://oeis.org/A051420

⇱ A051420 - OEIS

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A051420
Numbers k such that A000081(k) is prime.
4
3, 10, 15, 343, 387, 1087, 2981, 96761
OFFSET
1,1
COMMENTS
A000081(2981) = O(10^1400) is only a probably prime. No more terms < 6000.
No more terms < 40000. - Vaclav Kotesovec, Jul 07 2020
A000081(96761) is a probable prime. No other terms < 100000. - Mathieu Gouttenoire, Oct 08 2021
CROSSREFS
KEYWORD
nonn,more
EXTENSIONS
a(8) from Mathieu Gouttenoire, Oct 08 2021
STATUS
approved