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 A056024 Numbers k such that k^10 == 1 (mod 11^2). 11
 1, 3, 9, 27, 40, 81, 94, 112, 118, 120, 122, 124, 130, 148, 161, 202, 215, 233, 239, 241, 243, 245, 251, 269, 282, 323, 336, 354, 360, 362, 364, 366, 372, 390, 403, 444, 457, 475, 481, 483, 485, 487, 493, 511, 524, 565, 578, 596, 602, 604, 606, 608, 614, 632 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 MATHEMATICA Select[ Range[ 800 ], PowerMod[ #, 10, 121 ]==1& ] CROSSREFS Cf. A056021, A056022, A056025, A056026, A056027, A056028, A056031, A056034, A056035. Sequence in context: A036126 A045580 A070361 * A116475 A337948 A163791 Adjacent sequences:  A056021 A056022 A056023 * A056025 A056026 A056027 KEYWORD nonn AUTHOR Robert G. Wilson v, Jun 08 2000 STATUS approved

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Last modified January 26 13:09 EST 2022. Contains 350598 sequences. (Running on oeis4.)