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A100839 Numbers n such that n^n + 10 is prime. 6
0, 1, 3, 7, 9, 39 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Here we interpret 0^0 as 1.

a(7) > 8672. - Daniel Suteu, Aug 06 2019

LINKS

Table of n, a(n) for n=1..6.

MATHEMATICA

Prepend[Select[Range[100], PrimeQ[#^# + 10] &], 0] (* Stefan Steinerberger, Mar 15 2006 *)

PROG

(PARI) f1(n, a) = for(x=0, n, y=x^x+a; if(ispseudoprime(y), print1(y", ")))

CROSSREFS

Cf. A100842 (actual primes). - Daniel Starodubtsev, Aug 05 2019

Sequence in context: A031882 A199190 A075982 * A013624 A053366 A128052

Adjacent sequences:  A100836 A100837 A100838 * A100840 A100841 A100842

KEYWORD

nonn,hard,more

AUTHOR

Cino Hilliard, Jan 07 2005

STATUS

approved

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Last modified April 9 06:32 EDT 2020. Contains 333343 sequences. (Running on oeis4.)