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 A263281 #4 Nov 28 2015 19:34:34 %S A263281 0,1,2,3,4,89,100,133,543,649,869,5859,9295,9957,10013,11333,19799, %T A263281 30081,38273,59653,63119,63143,66423,103287,124795,124821,128121, %U A263281 128133 %N A263281 Fixed points of permutations A263265 and A263266. %C A263281 Indexing starts from n=0, as the permutations A263265 and A263266 also start from zero. %o A263281 (Scheme, with _Antti Karttunen_'s IntSeq-library) %o A263281 (define A263281 (FIXED-POINTS 0 0 A263265)) %Y A263281 Cf. A263265, A263266. %K A263281 nonn,more %O A263281 0,3 %A A263281 _Antti Karttunen_, Nov 27 2015