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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 Table of n, a(n) for n=1..10. 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 Adjacent sequences: A333411 A333412 A333413 * A333415 A333416 A333417 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.)