A220203 - OEIS

A220203

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX7 array

84, 567, 33804, 1594229, 70265746, 3139823062

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OFFSET

1,1

COMMENTS

Column 7 of A220204

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A233056 A211260 A233053 * A008429 A175813 A238523

Adjacent sequences: A220200 A220201 A220202 * A220204 A220205 A220206

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 07 2012

STATUS

approved