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Number of length n+5 0..3 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms
1

%I #4 Nov 11 2014 12:31:40

%S 2086,5604,15472,42936,117828,315376,813208,2167600,5855140,15883864,

%T 43102704,116690552,314775528,851491328,2311991212,6288839464,

%U 17119255242,46611862660,126957457446,346075967204,944462901166

%N Number of length n+5 0..3 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms

%C Column 3 of A250081

%H R. H. Hardin, <a href="/A250076/b250076.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..1....2....0....2....2....0....1....1....1....3....0....0....2....1....2....0

%e ..3....1....2....1....3....0....1....1....2....2....1....0....1....3....3....0

%e ..2....1....3....1....1....3....1....1....3....0....3....2....3....0....1....0

%e ..0....1....3....1....2....0....2....1....1....1....1....0....3....3....2....3

%e ..1....2....1....0....1....3....1....3....3....3....1....1....1....1....0....1

%e ..1....1....1....1....1....0....2....1....1....1....2....0....1....1....1....1

%e ..3....1....0....2....0....0....1....2....1....1....1....0....3....1....3....0

%e ..1....0....2....1....2....3....3....0....3....1....0....0....0....3....1....0

%e ..3....2....1....2....1....2....1....1....3....2....1....0....2....1....2....0

%e ..3....3....2....3....2....0....1....3....0....3....3....1....1....2....2....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 11 2014