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 A353979 #10 May 14 2022 04:54:56 %S A353979 2,11,36,169,702,3411,16372,81798,412696,2112362,10907492,56782983, %T A353979 297599786,1568750187 %N A353979 Number of one-sided polyarcs with n cells. %Y A353979 Cf. A057787. %K A353979 nonn,more %O A353979 1,1 %A A353979 _Aaron N. Siegel_, May 12 2022