A333134 - OEIS

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A333134

Positive integers k such that 11^k == 2 (mod k).

1

1, 3, 413, 1329, 6587, 11629, 75761, 925071199

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OFFSET

1,2

COMMENTS

Next term > 10^10.

LINKS

Table of n, a(n) for n=1..8.

PROG

(PARI) for(k=1, 1e6, if(Mod(11, k)^k==2, print1(k", ")))

CROSSREFS

Solutions to b^n == 2 (mod n): A015919 (b=2), A276671 (b=3), A130421 (b=4), A124246 (b=5), A277401 (b=7), this sequence (b=11), A116622 (b=13), A333269 (b=17).

Sequence in context: A330014 A305664 A152517 * A366355 A213001 A229751

Adjacent sequences: A333131 A333132 A333133 * A333135 A333136 A333137

KEYWORD

nonn,more

AUTHOR

Seiichi Manyama, Mar 20 2020

STATUS

approved