|
%I #4 Feb 16 2016 11:55:33
%S 23,1361,24714,272738,2355975,18146537,134520386,1002621328,
%T 7680218714,60997066270,503350821180,4313327580676,38328122520204,
%U 352617973045358,3353662534979250,32927372167566264,333319728382967773
%N Number of length-(n+7) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.
%C Subdiagonal 7 of A268956.
%H R. H. Hardin, <a href="/A268961/b268961.txt">Table of n, a(n) for n = 1..115</a>
%e Some solutions for n=3
%e ..0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0
%e ..1. .1. .1. .1. .1. .1. .1. .1. .0. .1. .1. .1. .1. .1. .1. .0
%e ..1. .2. .2. .2. .2. .0. .2. .2. .1. .0. .2. .0. .1. .0. .0. .1
%e ..2. .0. .3. .3. .2. .0. .3. .0. .0. .2. .0. .0. .2. .2. .2. .2
%e ..1. .2. .2. .1. .0. .2. .2. .3. .2. .2. .2. .1. .1. .3. .2. .0
%e ..0. .0. .1. .1. .1. .2. .1. .0. .2. .3. .0. .2. .0. .0. .3. .3
%e ..1. .1. .0. .0. .3. .1. .1. .0. .0. .1. .0. .0. .3. .2. .0. .0
%e ..2. .1. .3. .0. .3. .2. .2. .2. .2. .0. .2. .1. .2. .3. .0. .3
%e ..2. .2. .3. .1. .2. .0. .2. .3. .1. .1. .0. .2. .2. .2. .3. .3
%e ..0. .2. .2. .1. .3. .3. .3. .0. .3. .0. .1. .3. .3. .1. .2. .0
%Y Cf. A268956.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 16 2016
| 