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Number of length n+5 0..3 arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms
1

%I #4 Nov 09 2014 17:48:00

%S 2010,5300,14094,37584,100236,267004,709814,1911823,5149630,13856525,

%T 37227376,99854069,267478770,718951468,1933842530,5201537987,

%U 13983226991,37560179652,100820390584,270879681491,728110745792,1957430903117

%N Number of length n+5 0..3 arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms

%C Column 3 of A249960

%H R. H. Hardin, <a href="/A249955/b249955.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 09 2014