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%I #6 Apr 26 2021 19:41:26
%S 7224,18966,50028,132054,348066,915064,2398187,6264519,16780283,
%T 44934437,120109652,320204464,851082289,2255459974,5963697251,
%U 15895712873,42426824580,113249519695,302038597433,804346238604,2138273636787
%N Number of length n+6 0..3 arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms.
%C Column 3 of A250059.
%H R. H. Hardin, <a href="/A250054/b250054.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..2....3....0....0....2....0....2....1....1....2....2....1....2....2....3....0
%e ..1....1....3....0....2....2....1....2....0....2....3....2....1....0....0....3
%e ..3....1....1....2....2....1....2....3....2....2....0....2....3....3....3....2
%e ..0....0....1....1....2....3....0....2....0....2....2....0....0....3....1....0
%e ..2....1....0....1....0....2....1....0....3....1....2....1....1....0....3....2
%e ..2....3....1....2....3....2....1....3....1....0....0....1....0....1....2....2
%e ..0....0....2....3....1....3....0....2....2....0....1....0....1....2....3....1
%e ..2....1....0....0....0....0....2....1....3....3....3....1....3....3....3....3
%e ..2....2....1....0....3....3....1....3....0....2....2....1....3....3....0....0
%e ..1....2....2....2....3....0....1....3....2....2....0....1....3....3....2....2
%Y Cf. A250059.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 11 2014