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A224177
Number of 6Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing
1
84, 7056, 282372, 6425876, 95808564, 1038484760, 8857798353, 63080505999, 391482575333, 2182020084219, 11154302333669, 53070835890575, 237508827855216, 1007614860280386, 4076458517196412, 15801076345180104
OFFSET
1,1
COMMENTS
Row 6 of A224173
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1....2..0..0....1..0..0....1..0..0....0..0..0....0..0..0....0..0..1
..0..2..2....2..0..0....1..2..1....1..0..0....0..0..0....1..0..0....0..2..2
..2..2..3....2..3..0....1..2..2....2..2..0....0..1..2....1..1..2....0..2..2
..3..3..3....2..3..1....2..2..2....2..3..1....2..2..2....2..3..2....0..2..3
..3..3..3....2..3..2....2..2..2....3..3..3....3..2..2....2..3..2....1..2..3
..3..3..3....2..3..3....2..3..3....3..3..3....3..2..2....3..3..2....1..2..3
CROSSREFS
Sequence in context: A132052 A273438 A097840 * A223869 A224389 A223991
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 31 2013
STATUS
approved