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 A005275 M1309 #15 Jul 08 2025 16:28:19 %S A005275 1,2,4,243,198815685282 %N A005275 (7,6)-graphs. %D A005275 R. E. Peile, Some Topics in Combinatorial Theory. Ph. D. Dissertation, Oxford University, 1979. %D A005275 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A005275 R. E. Peile, <a href="/A005273/a005273.pdf">Letter to N. J. A. Sloane, Feb 1989</a> %K A005275 nonn %O A005275 5,2 %A A005275 _N. J. A. Sloane_