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Number of length n+5 0..4 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 12:32:17

%S 6835,21405,68863,222329,706561,2170435,6341373,19472847,60813057,

%T 190846823,598632737,1870508961,5811715605,18151965223,57033084799,

%U 179657486585,566458808209,1786121575521,5633740122641,17793740523897

%N Number of length n+5 0..4 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms

%C Column 4 of A250081

%H R. H. Hardin, <a href="/A250077/b250077.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..1....0....1....3....2....4....4....2....0....2....4....0....2....4....3....2

%e ..4....0....3....2....1....3....4....3....3....0....4....3....4....4....4....2

%e ..4....0....1....1....4....0....2....2....0....0....3....2....4....0....4....2

%e ..1....1....1....4....1....0....2....2....0....4....1....2....1....1....2....3

%e ..0....0....1....2....3....2....0....2....4....3....1....2....1....3....1....2

%e ..4....4....1....4....1....0....2....3....0....0....0....2....1....1....2....2

%e ..1....0....4....2....1....3....3....2....4....0....2....3....4....1....4....4

%e ..1....2....4....3....3....4....2....0....3....0....1....0....3....4....3....0

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 11 2014