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A250342
Number of length 6+5 0..n arrays with every six consecutive terms having the maximum of some three terms equal to the minimum of the remaining three terms
1
424, 21523, 266448, 1789193, 8357144, 30606683, 94080768, 253309665, 614750056, 1372133587, 2858593552, 5620837833, 10521617432, 18877802939, 32642526080, 54641070081, 88871500968, 140882422099, 218241706192, 331111612873
OFFSET
1,1
COMMENTS
Row 6 of A250336
LINKS
FORMULA
Empirical: a(n) = (71/315)*n^9 + (851/140)*n^8 + (573/14)*n^7 + 112*n^6 + 162*n^5 + (2717/20)*n^4 + (5041/126)*n^3 - (601/14)*n^2 - (3272/105)*n + 1
EXAMPLE
Some solutions for n=2
..0....2....2....0....1....0....0....1....1....2....0....2....2....2....1....2
..2....1....2....1....1....2....1....1....1....2....0....2....1....0....1....0
..1....1....0....0....1....1....2....1....1....0....1....1....2....2....0....1
..1....2....1....0....1....0....1....1....1....1....1....1....1....1....2....0
..0....1....1....0....2....1....1....0....1....1....1....1....1....1....1....2
..1....1....0....2....1....1....0....0....1....1....1....1....0....1....1....1
..1....1....1....0....0....0....0....1....0....2....2....1....1....2....1....1
..2....2....1....0....0....2....2....2....2....0....1....2....0....1....0....0
..0....1....1....0....1....1....2....1....1....1....0....2....2....1....2....2
..1....0....2....2....2....1....1....2....1....1....0....0....1....2....1....0
..0....2....1....0....2....1....1....1....1....0....2....0....2....1....0....1
CROSSREFS
Sequence in context: A091292 A184766 A250377 * A232359 A294714 A294712
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2014
STATUS
approved