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A203190
Number of nX7 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
1
3985, 271942421, 9045835238617, 257892549401944763, 7699282272868336554723, 232103745979086439437076471, 6970324759861265041580630860421, 209209746691129348723930919203856597
OFFSET
1,1
COMMENTS
Column 7 of A203191
LINKS
EXAMPLE
Some solutions for n=4
..4..3..2..2..1..1..4....1..1..2..3..2..0..1....1..0..4..2..3..2..4
..4..4..1..4..1..1..4....4..3..3..3..0..1..4....1..4..4..2..4..0..4
..4..1..0..4..1..1..1....4..1..3..3..1..4..4....1..1..0..3..4..3..2
..1..2..4..4..0..0..0....3..1..3..3..3..0..0....1..4..4..1..1..2..0
CROSSREFS
Sequence in context: A321053 A233648 A186799 * A229382 A159218 A159216
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 30 2011
STATUS
approved