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%I #10 Jun 30 2021 02:33:19
%S 1,14,41,60,63,137,190,196,221,236,267,270,374,416,425,467,571,574,
%T 605,620,645,651,704,778,781,800,827,840,842,855,882,901,904,978,1031,
%U 1037,1062,1077,1108,1111,1215,1257,1266,1308,1412,1415,1446,1461,1486,1492
%N Numbers k such that k^28 == 1 (mod 29^2).
%H Amiram Eldar, <a href="/A056034/b056034.txt">Table of n, a(n) for n = 1..10000</a>
%t x=29; Select[ Range[ 2000 ], PowerMod[ #, x-1, x^2 ]==1& ]
%Y Cf. A056021, A056022, A056024, A056025, A056026, A056027, A056028, A056031, A056035.
%K nonn
%O 1,2
%A _Robert G. Wilson v_, Jun 08 2000