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%I #11 Jun 06 2021 06:02:35
%S 1,2,4,5,6,10,12,20,30,42,60,68,78,84,114,122,156,204,210,222,228,244,
%T 340,366,390,420,444,546,570,610,732,780,798,820,876,930,1010,1020,
%U 1092,1110,1140,1164,1218,1220,1428,1482,1554,1596,1806,1830,1860,2020,2220
%N Numbers k such that k^3 divides 11^(k^2) - 1.
%H Robert Price, <a href="/A177911/b177911.txt">Table of n, a(n) for n = 1..1634</a>
%Y Cf. A068383 (k divides 11^k-1), A127092 (k^2 divides 11^k-1).
%Y Cf. A129211, A129212, A177905, A127106, A177907, A127102, A177909, A177243.
%Y Cf. A177911, A177912, A177913, A177914, A177915, A177916, A177917, A177918, A177919, A177920.
%K nonn
%O 1,2
%A _Alexander Adamchuk_, May 14 2010
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