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A220107
Number of nX2 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX2 array
1
16, 256, 4020, 64862, 1029672, 16468836, 262860066, 4196749396, 66990470720, 1069337677856, 17068363712016, 272432545268580, 4348295522399446, 69402425537376422, 1107712590346165536, 17679808823449832756
OFFSET
1,1
COMMENTS
Column 2 of A220109
LINKS
EXAMPLE
Some solutions for n=3
..0..3....1..2....1..2....1..2....1..3....3..0....2..1....3..2....3..0....1..3
..1..2....3..3....1..1....2..1....0..3....3..0....1..1....2..3....3..2....0..3
..2..3....1..1....2..2....3..3....3..2....3..0....1..3....1..3....0..0....1..3
CROSSREFS
Sequence in context: A227592 A206840 A222932 * A171290 A136577 A190134
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 05 2012
STATUS
approved