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A015904 Numbers k such that k | 12^k + 12. 11
1, 2, 3, 4, 6, 12, 15, 26, 28, 52, 76, 78, 87, 156, 364, 435, 532, 988, 2356, 3052, 5356, 6916, 7588, 10095, 11476, 13636, 15051, 15964, 16458, 24388, 31996, 36114, 40132, 42484, 46396, 50428, 50726, 72436, 114846, 132652, 148276, 171076, 208468 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..700

MATHEMATICA

Select[Range[10^5], Mod[PowerMod[12, #, #] + 12, #] == 0 &] (* Giovanni Resta, Oct 23 2018 *)

CROSSREFS

Cf. A006517, A015888, A015889, A015891, A015892, A015893, A015897, A015898, A015902, A015903, A015905, A015906.

Sequence in context: A102250 A084788 A002809 * A015888 A173581 A075122

Adjacent sequences:  A015901 A015902 A015903 * A015905 A015906 A015907

KEYWORD

nonn

AUTHOR

Robert G. Wilson v

EXTENSIONS

Missing a(2)-a(5) from Giovanni Resta, Oct 23 2018

STATUS

approved

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Last modified January 19 18:25 EST 2020. Contains 331051 sequences. (Running on oeis4.)