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A333414 Positive integers k such that k divides 17^k + 2. 1
1, 19, 35, 115, 44095, 211117, 14376053, 43472060395, 561558718915, 2182879071661 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(8) > 10^10.
a(11) > 4*10^12. - Giovanni Resta, Mar 22 2020
LINKS
PROG
(PARI) for(k=1, 1e6, if(Mod(17, k)^k==-2, print1(k", ")))
CROSSREFS
Solutions to b^n == -2 (mod n): A015973 (b=3), A123062 (b=5), A277370 (b=7), A333413 (b=13), this sequence (b=17).
Cf. A333269.
Sequence in context: A044064 A044445 A166055 * A146579 A146454 A186405
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Mar 20 2020
EXTENSIONS
a(8)-a(10) from Giovanni Resta, Mar 22 2020
STATUS
approved

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Last modified May 18 16:58 EDT 2024. Contains 372664 sequences. (Running on oeis4.)