%I A127819
%S A127819 2,3,118,7,39,155,38,9,14,18659,13,8153,92,1317,106,35,26,49,34,57,68,
%T A127819 253,327,1271,28,27,94,1633,46,161,415,1141,44,909589,86,161015,119,
%U A127819 1293,82,673279,129,577679,4578,77,164,65,74,3589,76,147,115
%N A127819 a(n) = least k such that the remainder when 11^k is divided by k is n.
%H A127819 Robert G. Wilson v, <a href="a127819.txt">Table of n, a(n) for n = 1..10000 
               with -1 for large entries where a(n) has not yet been found</a>
%t A127819 t = Table[0, {10000} ]; k = 1; While[ k < 4300000000, a = PowerMod[11, 
               k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ 
               ]; t
%Y A127819 Cf. A036236, A078457, A119678, A119679, A127816, A119715, A119714, A127817, 
               A127818, A127820, A127821.
%Y A127819 Sequence in context: A114373 A117700 A084755 this_sequence A152838 A102697 
               A041813
%Y A127819 Adjacent sequences: A127816 A127817 A127818 this_sequence A127820 A127821 
               A127822
%K A127819 nonn
%O A127819 1,1
%A A127819 Alexander Adamchuk (alex(AT)kolmogorov.com), Jan 30 2007
%E A127819 a(52) <= 27041811961 from Max Alekseyev (maxale(AT)gmail.com), Feb 06 
               2007 & from Joe K. Crump (joecr(AT)carolina.rr.com), Feb 06 2007