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 A080264 #5 Jan 11 2024 10:52:02 %S A080264 10,110010,1110001010,111100100010110010,1111100010001011001010, %T A080264 111111001000100010110010110010, %U A080264 11111110001010001000101100101110001010,111111110010001011001000100010110010111100100010110010 %N A080264 A063171-encoding of the stunted binomial-mod-2 zigzag trees. See A080263. %F A080264 a(n) = A007088(A080263(n)). %Y A080264 Breadth-first-wise encodings of the same trees: A080269. %K A080264 nonn %O A080264 0,1 %A A080264 _Antti Karttunen_, Mar 02 2003