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A302132 Numbers k such that 3*k^k - 2 is prime. 3
3, 1571, 2601 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The terms greater than or equal to 1571 correspond to probable primes.

LINKS

Table of n, a(n) for n=1..3.

PROG

(PARI) isok(k) = ispseudoprime(3*k^k - 2); \\ Altug Alkan, Apr 02 2018

CROSSREFS

Numbers k such that b*k^k - b + 1 is prime: A110931 (b=2), this sequence (b=3), A301521 (b=4), A302123 (b=6), A302133 (b=8), A302134 (b=9), A302136 (b=10).

Sequence in context: A239503 A118050 A246637 * A258720 A262652 A262500

Adjacent sequences:  A302129 A302130 A302131 * A302133 A302134 A302135

KEYWORD

nonn,more

AUTHOR

Seiichi Manyama, Apr 02 2018

STATUS

approved

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Last modified September 22 12:19 EDT 2019. Contains 327307 sequences. (Running on oeis4.)