This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A171383 #15 Feb 16 2025 08:33:11 %S A171383 197,198,201,285,287,288,289,291,292,295,296,297,439,440,441,446,449, %T A171383 450,465,467,468,470,647,648,651,652,695,696,1034,1035,1036,1038,1041, %U A171383 1054,1065,1067,1068,1079,1080,1086,1142,1143,1144,1146,1153,1182,1183,1184,1186,1189 %N A171383 Solutions to the equation M(n) = -7 (M = Mertens's function A002321). %H A171383 Seiichi Manyama, <a href="/A171383/b171383.txt">Table of n, a(n) for n = 1..10000</a> %H A171383 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MertensFunction.html">Mertens Function</a> %t A171383 Position[Accumulate[MoebiusMu[Range[1200]]], -7]//Flatten (* _Vincenzo Librandi_, Jan 05 2019 *) %Y A171383 Cf. A002321. %K A171383 nonn %O A171383 1,1 %A A171383 Neven Juric (neven.juric(AT)apis-it.hr), Sep 28 2010 %E A171383 More terms from _Seiichi Manyama_, Jan 05 2019