cp's OEIS Frontend

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.

A202226 Number of permutations avoiding the consecutive pattern 34125.

This page as a plain text file.
%I A202226 #7 Mar 30 2012 17:30:01
%S A202226 1,2,6,24,119,708,4914,38979,347829,3448722,37613451,447524466,
%T A202226 5768361795,80070563433,1190848464594,18891604332045,318427172178204,
%U A202226 5682965018856093,107058447534630429,2122967250258006555,44203325864880537180,964206345760838800371
%N A202226 Number of permutations avoiding the consecutive pattern 34125.
%C A202226 a(n) is the number of permutations on [n] that avoid the consecutive pattern 34125. It is the same as the number of permutations which avoid 14523, 32541 or 52143.
%H A202226 Ray Chandler, <a href="/A202226/b202226.txt">Table of n, a(n) for n = 1..40</a>
%H A202226 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 A202226 Cf. A177523, A202213-A202236.
%K A202226 nonn
%O A202226 1,2
%A A202226 _Ray Chandler_, Dec 15 2011