%I #4 Feb 16 2016 11:54:09
%S 11,201,1830,12634,78930,485726,3068890,20245176,140084705,1016152035,
%T 7710817964,61062125594,503482001606,4313580168256,38328589616502,
%U 352618806519480,3353663975679253,32927374587977757,333319732346331654
%N Number of length-(n+5) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.
%C Subdiagonal 5 of A268956.
%H R. H. Hardin, <a href="/A268959/b268959.txt">Table of n, a(n) for n = 1..117</a>
%e Some solutions for n=5
%e ..0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0
%e ..1. .1. .0. .1. .1. .1. .1. .0. .1. .1. .0. .1. .1. .1. .1. .1
%e ..2. .0. .1. .1. .2. .0. .1. .1. .2. .2. .1. .2. .2. .2. .0. .2
%e ..1. .1. .1. .0. .3. .2. .2. .2. .0. .0. .2. .1. .1. .1. .1. .0
%e ..3. .2. .2. .2. .2. .3. .3. .3. .2. .3. .2. .3. .2. .3. .2. .3
%e ..1. .3. .2. .1. .4. .3. .4. .0. .3. .0. .1. .3. .1. .4. .1. .0
%e ..4. .1. .0. .3. .2. .0. .0. .2. .4. .4. .1. .4. .3. .4. .1. .1
%e ..1. .1. .0. .4. .4. .1. .5. .4. .0. .0. .0. .5. .4. .5. .3. .2
%e ..4. .3. .1. .4. .2. .4. .0. .4. .0. .5. .0. .2. .0. .2. .4. .0
%e ..1. .0. .3. .0. .0. .3. .5. .2. .5. .2. .3. .4. .4. .3. .5. .0
%Y Cf. A268956.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 16 2016