%I #6 Mar 30 2012 17:30:01
%S 1,2,6,24,119,708,4914,38980,347837,3448792,37614098,447530960,
%T 5768427763,80071232808,1190854748337,18891645882204,318426891675529,
%U 5682942507677216,107057693682517823,2122945762085834896,44202742291011618712,964190646266565855612
%N Number of permutations avoiding the consecutive pattern 42351.
%C a(n) is the number of permutations on [n] that avoid the consecutive pattern 42351. It is the same as the number of permutations which avoid 15324, 24315 or 51342.
%H Ray Chandler, <a href="/A202224/b202224.txt">Table of n, a(n) for n = 1..40</a>
%H 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 Cf. A177523, A202213-A202236.
%K nonn
%O 1,2
%A _Ray Chandler_, Dec 15 2011
|