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A250009
Number of length n+5 0..3 arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms
1
2040, 5200, 13512, 35440, 93384, 246560, 651144, 1723328, 4564240, 12092304, 32042288, 84912560, 225038512, 596439592, 1580921824, 4190656400, 11108711104, 29447835232, 78064079104, 206943785632, 548602015000, 1454343850824
OFFSET
1,1
COMMENTS
Column 3 of A250014
LINKS
EXAMPLE
Some solutions for n=5
..3....3....0....0....3....2....0....2....2....2....3....1....2....2....0....2
..0....0....2....0....3....1....0....1....1....1....1....1....3....0....2....0
..0....2....3....3....0....3....1....0....3....0....3....3....1....0....3....3
..2....0....3....1....2....1....2....1....0....0....0....0....0....2....3....0
..3....0....0....0....3....0....3....2....3....3....0....3....2....1....0....1
..0....1....3....3....1....2....0....3....1....3....3....3....0....3....0....3
..1....2....2....0....3....3....3....3....2....0....3....0....0....3....0....0
..3....3....1....2....3....3....0....3....0....1....0....2....3....0....2....2
..3....3....0....2....0....3....1....0....0....0....1....3....1....3....3....0
..2....1....2....0....2....0....2....1....0....3....0....0....2....1....2....0
CROSSREFS
Sequence in context: A031806 A186045 A258965 * A015158 A015286 A172594
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 10 2014
STATUS
approved