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A196540 Number of n X 4 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself. 1
7, 461, 11200, 340286, 11955804, 492164626, 19551716726, 762304199460, 30102052972401, 1191511814763748, 47012897542283671, 1854609910206450722, 73234604023710412911, 2891416319601153583732, 114129499568282696605287 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A196544.
LINKS
EXAMPLE
Some solutions for n=5
..0..2..1..2....1..0..3..1....1..0..3..1....1..3..2..0....0..2..1..0
..1..4..1..2....2..4..3..0....3..1..2..0....1..2..1..2....1..4..4..2
..3..0..3..3....1..2..2..2....1..4..3..2....2..3..0..3....2..4..0..2
..0..3..4..1....0..4..3..3....1..4..1..0....1..4..2..3....0..3..1..3
..2..0..2..0....1..2..1..1....2..0..3..1....1..2..0..1....1..3..2..0
CROSSREFS
Cf. A196544.
Sequence in context: A203060 A261479 A241363 * A215890 A160374 A127908
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 03 2011
STATUS
approved

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Last modified February 24 17:27 EST 2024. Contains 370307 sequences. (Running on oeis4.)