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 A277348 Positive integers n such that n | (5^n + 6). 7
 1, 11, 341, 581337017, 7202608727, 27146455379, 1358496201131, 9843739213499, 172392038905691 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS No other terms below 10^15. - Max Alekseyev, Oct 17 2016 LINKS Table of n, a(n) for n=1..9. FORMULA A066603(a(n)) = a(n) - 6 for n > 1. EXAMPLE 5^11 + 6 = 48828131 = 11 * 4438921, so 11 is a term. PROG (PARI) isok(n) = Mod(5, n)^n == -6; \\ Michel Marcus, Oct 10 2016 CROSSREFS Cf. A066603. Cf. Solutions to 5^n == k (mod n): this sequence (k=-6), A015891 (k=-5), A123047 (k=-4), A123052 (k=-3), A123062 (k=-2), A015951 (k=-1), A067946 (k=1), A124246 (k=2), A123061 (k=3), A125949 (k=4), A123091 (k=5), A277350 (k=6). Sequence in context: A092609 A091537 A327943 * A033517 A279238 A192841 Adjacent sequences: A277345 A277346 A277347 * A277349 A277350 A277351 KEYWORD nonn,more AUTHOR Seiichi Manyama, Oct 10 2016 EXTENSIONS a(5)-a(9) from Max Alekseyev, Oct 17 2016 STATUS approved

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Last modified December 8 03:15 EST 2023. Contains 367662 sequences. (Running on oeis4.)