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%I #14 Jan 05 2019 04:38:17
%S 197,198,201,285,287,288,289,291,292,295,296,297,439,440,441,446,449,
%T 450,465,467,468,470,647,648,651,652,695,696,1034,1035,1036,1038,1041,
%U 1054,1065,1067,1068,1079,1080,1086,1142,1143,1144,1146,1153,1182,1183,1184,1186,1189
%N Solutions to the equation M(n) = -7 (M = Mertens's function A002321).
%H Seiichi Manyama, <a href="/A171383/b171383.txt">Table of n, a(n) for n = 1..10000</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MertensFunction.html">Mertens Function</a>
%t Position[Accumulate[MoebiusMu[Range[1200]]], -7]//Flatten (* _Vincenzo Librandi_, Jan 05 2019 *)
%Y Cf. A002321.
%K nonn
%O 1,1
%A Neven Juric (neven.juric(AT)apis-it.hr), Sep 28 2010
%E More terms from _Seiichi Manyama_, Jan 05 2019
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