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 A083937 #10 May 19 2024 03:17:48 %S A083937 2,10,42,44,170,172,178,180,184,682,684,690,692,696,714,716,722,724, %T A083937 728,738,740,744,752,2730,2732,2738,2740,2744,2762,2764,2770,2772, %U A083937 2776,2786,2788,2792,2800,2858,2860,2866,2868,2872,2890,2892,2898,2900,2904,2914 %N A083937 A014486-encodings of the plane binary trees and plane general trees whose left(most) subtree is just a "stick": \. %H A083937 <a href="/index/Ro#RootedTreePlanEncodings">Index entries for encodings of plane rooted trees</a> %F A083937 a(n) = A014486(A072795(n)). %Y A083937 Cf. A014486, A072795, A085224. %K A083937 nonn %O A083937 0,1 %A A083937 _Antti Karttunen_, Jun 13 2003