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 A383454 #3 May 02 2025 17:37:12 %S A383454 2,16,110,728,4760,31008 %N A383454 Row 1 of the array in A383453. %Y A383454 Cf. A383453. %K A383454 nonn,more %O A383454 0,1 %A A383454 _N. J. A. Sloane_, May 02 2025