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 A185185 #21 Feb 16 2025 08:33:13
%S A185185 0,1,2,4,6,19,29,53,2035,3995,5328,10141,14675,292557
%N A185185 Indices of record values in A177413.
%H A185185 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DottieNumber.html">Dottie Number</a>.
%F A185185 A177413(a(n)) = A184952(n).
%t A185185 z = x /. FindRoot[x == Cos[x], {x, 0},
%t A185185 WorkingPrecision -> 1000000]; data = ContinuedFraction[z];
%t A185185 g[list_] :=
%t A185185 Delete[list,
%t A185185 Transpose[{DeleteCases[
%t A185185 Table[If[list[[n]] < list[[n - 1]], n, no], {n, 2,
%t A185185 Length[list]}], no]}]]; p =
%t A185185 FixedPoint[g, DeleteDuplicates[data]]; Flatten[
%t A185185 Map[Position[data, #, 1, 1] &, p, {1}]]-1
%Y A185185 Cf. A184952, A177413, A003957.
%K A185185 nonn,hard,more
%O A185185 1,3
%A A185185 _Ben Branman_, Dec 22 2011
%E A185185 Offset changed by _Andrew Howroyd_, Aug 10 2024