A181228 - OEIS

%I #3 Mar 31 2012 12:35:49

%S 0,0,0,0,0,0,0,476,20956,541960,10783530,183084580,2796467584,

%T 39641212284,532014841490,6852097042820,85509456576162,

%U 1041222110654522,12436416067831144,146290172122139436,1700035652369320714

%N Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 4 maxima

%C Column 4 of A181229

%H R. H. Hardin, <a href="/A181228/b181228.txt">Table of n, a(n) for n=1..200</a>

%K nonn

%O 1,8

%A _R. H. Hardin_ Oct 10 2010