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 A072642 #6 Oct 17 2024 14:27:20 %S A072642 0,1,2,4,7,12,19,34,62,105,184,326,568,986,1726 %N A072642 Binary widths of the terms of A072640. %Y A072642 Cf. A072641, A072655. %K A072642 nonn,more %O A072642 0,3 %A A072642 _Antti Karttunen_, Jun 02 2002 %E A072642 a(11)-a(14) from _Sean A. Irvine_, Oct 17 2024