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 A171096 #15 Feb 16 2025 08:33:11 %S A171096 3,4,6,10,15,16,22,26,27,28,35,36,38,41,57,59,60,62,63,64,66,69,87,88, %T A171096 91,92,102,123,124,125,126,129,134,135,136,143,144,151,152,153,155, %U A171096 156,158,165,167,168,169,210,213 %N A171096 Solutions to the equation M(n) = -1 (M = Mertens's function A002321). %H A171096 Seiichi Manyama, <a href="/A171096/b171096.txt">Table of n, a(n) for n = 1..10000</a> %H A171096 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MertensFunction.html">Mertens Function</a> %o A171096 (PARI) isok(n) = sum(k=1, n, moebius(k)) == -1; \\ _Michel Marcus_, Nov 20 2017 %Y A171096 Cf. A028442, A118684. %K A171096 nonn %O A171096 1,1 %A A171096 Neven Juric (neven.juric(AT)apis-it.hr), Sep 10 2010