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 A332524 #4 Jun 12 2020 00:08:50
%S A332524 1,1,2,11,57,68,805,873,1678,9263,10941,293729,598399,6876118,7474517,
%T A332524 14350635,36175787,50526422,137228631,13224474998,13361703629,
%U A332524 26586178627,39947882256,66534060883,106481943139,40849118283120,245201191641859,286050309924979
%N A332524 Denominators of convergents to 2 Pi + Dottie number (A332506).
%t A332524 d = FindRoot[Cos[u] == 2 Pi - u, {u, 0, 1}, WorkingPrecision -> 10000][[1, -1]];
%t A332524 Numerator[Convergents[d, 100]] (* A332523 *)
%t A332524 Denominator[Convergents[d, 100]] (* A332524 *)
%Y A332524 Cf. A332523, A332506, A212112, A223957, A332500.
%K A332524 nonn,frac
%O A332524 0,3
%A A332524 _Clark Kimberling_, May 05 2020