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A300292 Numbers k such that k^k + 9 is a prime. 2
2, 130, 140 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

No more terms <= 7000. - Jon E. Schoenfield, Mar 16 2018

LINKS

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

PROG

(PARI) isok(k) = ispseudoprime(k^k + 9); \\ Altug Alkan, Mar 16 2018

CROSSREFS

Numbers k such that k^k + b is a prime: A300981 (b=-10), A300976 (b=-5), A100408 (b=-2), A100407 (b=2), A166852 (b=3), A100837 (b=4), A100838 (b=7), this sequence (b=9), A100839 (b=10), A173974 (b=43).

Cf. A074966.

Sequence in context: A216358 A294274 A099824 * A259109 A190578 A098533

Adjacent sequences:  A300289 A300290 A300291 * A300293 A300294 A300295

KEYWORD

nonn,hard,more,bref

AUTHOR

Seiichi Manyama, Mar 16 2018

STATUS

approved

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Last modified February 23 21:20 EST 2020. Contains 332195 sequences. (Running on oeis4.)