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 A202227 #7 Mar 30 2012 17:30:04 %S A202227 1,2,6,24,119,708,4914,38979,347830,3448742,37613781,447529736, %T A202227 5768447194,80071991461,1190873311644,18892055757622,318435746208625, %U A202227 5683135262448470,107061979121943224,2123043715555546099,44205051951114604550,964246919041476700230 %N A202227 Number of permutations avoiding the consecutive pattern 41532. %C A202227 a(n) is the number of permutations on [n] that avoid the consecutive pattern 41532. It is the same as the number of permutations which avoid 23514, 25134 or 43152. %H A202227 Ray Chandler, <a href="/A202227/b202227.txt">Table of n, a(n) for n = 1..40</a> %H A202227 A. Baxter, B. Nakamura, and D. Zeilberger. <a href="http://www.math.rutgers.edu/~zeilberg/mamarim/mamarimhtml/auto.html">Automatic generation of theorems and proofs on enumerating consecutive Wilf-classes</a> %Y A202227 Cf. A177523, A202213-A202236. %K A202227 nonn %O A202227 1,2 %A A202227 _Ray Chandler_, Dec 15 2011