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A201727
Number of nX6 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself
0
83, 64018, 144262866, 299927801278, 463016032498283, 545947219624185244
OFFSET
1,1
COMMENTS
Column 6 of A201729
EXAMPLE
Some solutions for n=2
..0..0..1..4..4..4....0..2..3..4..4..4....0..0..1..2..3..4....1..2..3..4..4..4
..3..3..4..1..3..3....0..4..1..2..3..4....4..4..2..3..3..1....2..1..3..1..4..4
CROSSREFS
Sequence in context: A097839 A268987 A087189 * A116263 A287686 A087532
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 04 2011
STATUS
approved