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 A080294 #5 Jan 11 2024 10:52:44 %S A080294 10,110010,11100100110010,1111001001001100110010, %T A080294 11111001001100100100110011100100110010, %U A080294 1111110010010011001001001100111001001100110010 %N A080294 A063171-encoding of the branch-reduced binomial-mod-2 binary trees. %F A080294 a(n) = A007088(A080293(n)). %Y A080294 Same sequence in decimal: A080293. Breadth-first-wise encoding: A080319. %K A080294 nonn %O A080294 0,1 %A A080294 _Antti Karttunen_, Mar 02 2003