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 A001183 M0390 N0148 #25 Oct 23 2024 16:12:35 %S A001183 0,2,2,18,66,374,1694,9822,51698 %N A001183 Number of nontrivial Baxter permutations of length 2n-1. %D A001183 W. M. Boyce, Generation of a class of permutations associated with commuting functions, Math. Algorithms, 2 (1967), 19-26. %D A001183 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A001183 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A001183 W. M. Boyce, <a href="/A001181/a001181_1.pdf">Generation of a class of permutations associated with commuting functions</a>, 1967; annotated and corrected scanned copy. %H A001183 W. M. Boyce, <a href="/A001181/a001181.jpg">Correction to page 25 (Part 1)</a> %H A001183 W. M. Boyce, <a href="/A001181/a001181_1.jpg">Correction to Page 25 (Part 2)</a> %H A001183 W. M. Boyce, <a href="/A001181/a001181_4.pdf">Baxter Permutations and Functional Composition</a>, Houston Journal of Mathematics, Volume 7, No. 2, 1981 %Y A001183 Cf. A001181, A001185, A046996. %K A001183 nonn,more %O A001183 1,2 %A A001183 _N. J. A. Sloane_