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A220109
T(n,k)=Number of nXk arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nXk array
3
4, 16, 16, 56, 256, 56, 250, 4020, 4020, 250, 984, 64862, 252520, 64862, 984, 3888, 1029672, 16187862, 16187862, 1029672, 3888, 15798, 16468836, 1028824446, 4160361190, 1028824446, 16468836, 15798, 63092, 262860066, 65676456950
OFFSET
1,1
COMMENTS
Table starts
.....4.......16.........56........250........984........3888.....15798.63092
....16......256.......4020......64862....1029672....16468836.262860066
....56.....4020.....252520...16187862.1028824446.65676456950
...250....64862...16187862.4160361190
...984..1029672.1028824446
..3888.16468836
.15798
EXAMPLE
Some solutions for n=3 k=4
..0..0..2..3....0..0..0..2....1..0..1..3....0..0..0..2....0..0..2..1
..0..0..3..2....0..0..3..1....0..0..2..1....0..0..3..1....0..0..0..2
..0..1..1..1....0..0..1..3....0..0..2..1....1..0..3..0....1..3..0..0
CROSSREFS
Sequence in context: A223801 A336938 A232516 * A207283 A207479 A207535
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 05 2012
STATUS
approved