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A056031 Numbers k such that k^22 == 1 (mod 23^2). 10
1, 28, 42, 63, 118, 130, 170, 177, 195, 255, 263, 266, 274, 334, 352, 359, 399, 411, 466, 487, 501, 528, 530, 557, 571, 592, 647, 659, 699, 706, 724, 784, 792, 795, 803, 863, 881, 888, 928, 940, 995, 1016, 1030, 1057, 1059, 1086, 1100, 1121, 1176, 1188 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

x=23; Select[ Range[ 2000 ], PowerMod[ #, x-1, x^2 ]==1& ]

CROSSREFS

Cf. A056021, A056022, A056024, A056025, A056026, A056027, A056028, A056034, A056035.

Sequence in context: A154035 A025368 A025359 * A061826 A326234 A260954

Adjacent sequences:  A056028 A056029 A056030 * A056032 A056033 A056034

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jun 08 2000

STATUS

approved

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)