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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A250014

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences:  A250006 A250007 A250008 * A250010 A250011 A250012

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 10 2014

STATUS

approved

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Last modified February 19 22:36 EST 2020. Contains 332061 sequences. (Running on oeis4.)