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A217449
Number of n X n arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X n array
0
3, 15, 613, 60821, 28176327, 45755747495, 283827195520911
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A217457
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..1..1..1....2..1..1....0..0..0....1..1..2....1..1..1....0..0..0....2..0..0
..1..1..0....1..2..1....1..0..0....1..2..0....1..2..0....0..0..0....0..0..0
..2..0..0....1..1..1....1..1..2....1..0..0....2..0..0....1..0..1....1..0..1
CROSSREFS
Sequence in context: A138303 A338293 A267096 * A167220 A296939 A077399
Adjacent sequences: A217446 A217447 A217448 * A217450 A217451 A217452
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 03 2012
STATUS
approved

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Last modified September 30 01:19 EDT 2024. Contains 376324 sequences.
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