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 A330399 #14 Feb 25 2020 21:49:05 %S A330399 1,136080,5062877383753728000 %N A330399 Number of possible permutations of a Pyramorphix of size n. %C A330399 Pyramorphix (must not be confused with Pyraminx) is a tetrahedral edge-turning puzzle, capable of changing shape. %H A330399 Wikipedia, <a href="https://en.wikipedia.org/wiki/Pyramorphix">Pyramorphix</a>. %Y A330399 Cf. A075152, A309109, A309110, A309111, A309112, A309113. %K A330399 nonn,more %O A330399 1,2 %A A330399 _Eder Vanzei_, Feb 25 2020