Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #6 Mar 30 2012 17:30:01
%S 1,2,6,24,119,708,4914,38977,347783,3447982,37602245,447353497,
%T 5765670515,80026435959,1190091483826,18877998176267,318170909582504,
%U 5677911026433716,106954187252974515,2120720309936327198,44152804913927293967,963022839743497051427
%N Number of permutations avoiding the consecutive pattern 43251.
%C a(n) is the number of permutations on [n] that avoid the consecutive pattern 43251. It is the same as the number of permutations which avoid 15234, 23415 or 51432.
%H Ray Chandler, <a href="/A202215/b202215.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 14 2011