A220209 - OEIS

A220209

Number of 6Xn 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 6Xn array

56, 547, 15067, 303148, 6896106, 154837661, 3139823062, 59609805010

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OFFSET

1,1

COMMENTS

Row 6 of A220204

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A190536 A190070 A220930 * A276565 A048540 A189497

Adjacent sequences: A220206 A220207 A220208 * A220210 A220211 A220212

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 07 2012

STATUS

approved