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 A212112 #16 Feb 16 2025 08:33:17
%S A212112 0,1,2,3,14,17,694,711,7093,29083,65259,94342,1480389,3055120,
%T A212112 38141829,41196949,903277758,944474707,16959347777,882830559111,
%U A212112 2665451025110,3548281584221,23955140530436
%N A212112 Numerators of convergents to the Dottie number, A003957.
%H A212112 G. C. Greubel, <a href="/A212112/b212112.txt">Table of n, a(n) for n = 0..1000</a>
%H A212112 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DottieNumber.html">Dottie Number</a>
%t A212112 z = FindRoot[Cos[x] == x, {x, 0, 1}, WorkingPrecision -> 10000][[1, -1]]; Numerator[Convergents[z, 100]]
%Y A212112 Cf. A003957, A212113.
%K A212112 nonn,frac
%O A212112 0,3
%A A212112 _Ben Branman_, May 01 2012