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A220008
Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX6 array
0
56, 154, 5686, 172143, 4135362, 83856137, 1728522691, 38003119019, 846454884120, 18017900315394, 359962291737050, 6817357120618569, 124115873900832957, 2186082272472604299
OFFSET
1,1
COMMENTS
Column 6 of A220010
EXAMPLE
Some solutions for n=3
..2..2..1..1..1..1....2..2..2..2..0..0....2..1..0..0..0..0....2..2..0..0..1..1
..2..2..1..1..1..1....2..2..2..0..0..0....1..1..0..0..0..0....2..0..0..0..1..1
..3..3..3..2..1..1....3..2..2..0..0..2....1..1..2..2..2..2....3..0..0..0..1..1
CROSSREFS
Sequence in context: A226128 A038850 A220042 * A044388 A044769 A154034
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 03 2012
STATUS
approved