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 A171391 #13 Feb 16 2025 08:33:11 %S A171391 199,200,286,290,293,294,442,445,653,655,656,657,690,694,1039,1040, %T A171391 1066,1069,1073,1077,1078,1087,1088,1089,1141,1185,1187,1188,1601, %U A171391 1602,1605,1691,1692,1718,1719,1720,1722,1726,1729,1731,1732,1735,1736,1737,1739,1740,1765,1767,1768,1778 %N A171391 Solutions to the equation M(n) = -8 (M = Mertens's function A002321). %H A171391 Seiichi Manyama, <a href="/A171391/b171391.txt">Table of n, a(n) for n = 1..10000</a> %H A171391 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MertensFunction.html">Mertens Function</a> %Y A171391 Cf. A002321. %K A171391 nonn %O A171391 1,1 %A A171391 Neven Juric (neven.juric(AT)apis-it.hr), Sep 28 2010 %E A171391 More terms from _Seiichi Manyama_, Jan 05 2019