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 A070892 #9 May 11 2023 18:18:56
%S A070892 1,2,3,5,7,11,61,154,857,859,2141,2153,2161,39011,39065,39095,56026,
%T A070892 56045,56101,56189,56242,56245,56254,56263,56359,2985634,2985703,
%U A070892 2986715,2986718,2986721,16904494,16904497,16904531,16904534
%N A070892 Numbers n such that absolute value of Sum_{k=1..n} mu(k)/k sets a new minimum.
%t A070892 s = 1; t = 0; Do[t = t + MoebiusMu[n] / n; If[ s > Abs[t], s = Abs[t]; Print[n]], {n, 1, 2 * 10^7}]
%o A070892 (PARI) t = 0.; t1 = 1; v = []; for( n = 1, 1400, t = t + moebius( n) / n; if( (t / t1 )^2 < 1, t1 = t; v = concat( v, n), )); v
%Y A070892 Cf. A070888-A070891.
%K A070892 nonn
%O A070892 1,2
%A A070892 _Donald S. McDonald_, May 17 2002
%E A070892 Edited and extended by _Robert G. Wilson v_, May 24 2002