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 A279203 #14 Dec 16 2016 15:26:10 %S A279203 1,1,6,81,2774,162945 %N A279203 Number of square permutations of 2n things modulo the operations of mirror image, complement, and inverse. %H A279203 Samuele Giraudo, S. Vialette, <a href="https://arxiv.org/abs/1601.05962">Unshuffling Permutations</a>, arXiv preprint arXiv:1601.05962 [cs.DS], 2016. %Y A279203 Cf. A279200, A279201, A279202. %K A279203 nonn,more %O A279203 0,3 %A A279203 _N. J. A. Sloane_, Dec 15 2016