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A219577
Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX7 array
0
84, 881, 82431, 7579137, 572032559
OFFSET
1,1
COMMENTS
Column 7 of A219578
EXAMPLE
Some solutions for n=3
..2..2..1..1..1..0..0....2..2..2..0..0..0..0....2..1..1..1..1..0..0
..2..1..1..1..1..0..0....3..2..0..0..0..0..0....1..1..1..1..1..1..0
..1..1..1..1..3..1..0....3..3..2..0..0..1..2....3..1..2..2..2..2..1
CROSSREFS
Sequence in context: A219827 A219719 A069080 * A093284 A027794 A219713
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 23 2012
STATUS
approved