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A333269 Positive integers n such that 17^n == 2 (mod n). 3
1, 3, 5, 3585, 4911, 5709, 1688565, 7361691, 16747709 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

PROG

(PARI) for(k=1, 1e6, if(Mod(17, k)^k==2, print1(k", ")))

(Python)

A333269_list = [n for n in range(1, 10**6) if n == 1 or pow(17, n, n) == 2] # Chai Wah Wu, Mar 14 2020

CROSSREFS

Cf. Solutions to b^n == 2 (mod n): A015919 (b=2), A276671 (b=3), A130421 (b=4), A124246 (b=5), A277401 (b=7), A116622 (b=13), this sequence (b=17).

Sequence in context: A062655 A090807 A138154 * A319598 A126334 A068635

Adjacent sequences:  A333266 A333267 A333268 * A333270 A333271 A333272

KEYWORD

nonn,more

AUTHOR

Seiichi Manyama, Mar 14 2020

STATUS

approved

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Last modified September 19 05:11 EDT 2020. Contains 337175 sequences. (Running on oeis4.)