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Number of length n+6 0..7 arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms
1

%I #4 Nov 19 2014 16:35:00

%S 720112,3179756,14647808,68640720,320301600,1460936344,6398378176,

%T 26383796944,113797974816,503805257096,2254176207808,10118098941416,

%U 45324022891904,201877207584720,891282912333344,3942816699494356

%N Number of length n+6 0..7 arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms

%C Column 7 of A250373

%H R. H. Hardin, <a href="/A250372/b250372.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=1

%e ..0....4....4....0....0....4....4....4....0....0....4....0....0....0....0....0

%e ..4....4....4....7....1....0....0....4....0....3....4....7....0....3....3....4

%e ..3....2....4....7....1....3....6....4....4....4....6....7....2....6....5....6

%e ..0....7....4....2....6....2....2....2....3....4....5....7....2....6....4....6

%e ..1....2....4....2....0....6....2....7....2....1....2....7....5....3....7....5

%e ..2....2....3....2....2....6....3....7....2....0....4....7....3....1....7....4

%e ..1....1....0....3....3....3....2....4....7....1....4....4....4....7....4....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 19 2014