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A250086 Number of length 5+5 0..n arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms 1
442, 11519, 117828, 706561, 3032302, 10361063, 30011560, 76692849, 177624322, 380016703, 761591084, 1444917201, 2616462070, 4551355783, 7645002704, 12452793505, 19739306442, 30538524991, 46226743444, 68609982305 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A250081

LINKS

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

FORMULA

Empirical: a(n) = (1/63)*n^9 + (121/84)*n^8 + (108/7)*n^7 + (166/3)*n^6 + (469/5)*n^5 + (1199/12)*n^4 + (5753/63)*n^3 + (2659/42)*n^2 + (2146/105)*n + 1

EXAMPLE

Some solutions for n=3

..2....0....0....2....1....1....0....2....2....1....2....2....0....3....1....3

..3....2....1....3....3....2....1....0....0....0....2....2....2....0....2....0

..0....1....3....0....2....2....3....3....1....0....2....0....0....3....0....3

..0....1....1....1....2....3....2....0....3....3....2....3....0....1....2....0

..0....1....1....0....2....1....1....0....2....0....3....1....3....3....0....0

..0....3....1....0....3....1....3....2....1....3....3....1....0....1....0....0

..1....1....2....0....1....1....1....0....2....1....3....1....0....1....0....3

..0....1....0....0....3....1....1....0....1....0....0....1....2....1....3....2

..1....1....3....2....3....1....2....3....1....0....2....0....1....2....3....0

..2....1....2....3....2....1....0....2....1....0....2....1....0....0....2....3

CROSSREFS

Sequence in context: A094410 A236706 A105922 * A018237 A264270 A098256

Adjacent sequences:  A250083 A250084 A250085 * A250087 A250088 A250089

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 11 2014

STATUS

approved

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Last modified November 16 22:20 EST 2019. Contains 329208 sequences. (Running on oeis4.)