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 A171392 #13 Feb 16 2025 08:33:11 %S A171392 443,444,654,658,689,691,692,693,1070,1071,1072,1074,1075,1076,1090, %T A171392 1139,1140,1606,1655,1656,1658,1661,1689,1690,1693,1694,1717,1721, %U A171392 1723,1724,1725,1730,1733,1734,1738,1741,1763,1764,1789,1793,2389,2391,2392,2395,2396,2462,2465,2466,2469,2713 %N A171392 Solutions to the equation M(n) = -9 (M = Mertens's function A002321). %H A171392 Seiichi Manyama, <a href="/A171392/b171392.txt">Table of n, a(n) for n = 1..10000</a> %H A171392 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MertensFunction.html">Mertens Function</a> %Y A171392 Cf. A002321. %K A171392 nonn %O A171392 1,1 %A A171392 Neven Juric (neven.juric(AT)apis-it.hr), Sep 28 2010 %E A171392 More terms from _Seiichi Manyama_, Jan 05 2019