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A220151

Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array.

21, 137, 1413, 16110, 214767, 3057777, 42648602, 564936966, 7083618786, 84318189822, 956390845855, 10375891940786, 108038550060777, 1082857046843897, 10473029871107227, 97945268899475975, 887304577889584770

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OFFSET

1,1

COMMENTS

Column 6 of A220153

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..27

EXAMPLE

Some solutions for n=3

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

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

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