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A200825
Number of n X 2 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.
1
21, 196, 1630, 12776, 96511, 709506, 5112134, 36238976, 253579683, 1755615191, 12048364111, 82078204820, 555669049602, 3741805083510, 25080702664546, 167435417347772, 1113826183859653, 7386330575306323, 48846398558444346
OFFSET
1,1
COMMENTS
Column 2 of A200831.
LINKS
EXAMPLE
Some solutions for n=3:
..2..2....0..1....3..3....1..2....0..4....1..3....1..1....1..1....1..2....0..0
..3..4....2..3....3..4....2..5....0..4....3..4....2..3....1..4....1..3....1..4
..3..4....5..5....3..4....2..5....3..5....2..4....3..3....2..3....1..4....1..3
CROSSREFS
Sequence in context: A164606 A027780 A108679 * A058086 A270957 A159857
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2011
STATUS
approved