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A265875
Number of nX3 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than itself.
1
5, 137, 1330, 30363, 544092, 9831410, 185555660, 3446658882, 64319089694, 1199098819080, 22364131445571, 417190960294802, 7779917972805386, 145112215710497400, 2706516080784304796, 50479139484195509572
OFFSET
1,1
COMMENTS
Column 3 of A265878.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2....0..4..0....1..4..0....2..1..1....0..4..1....0..3..1....0..0..3
..4..1..3....2..2..3....0..2..4....1..0..2....2..0..3....2..5..0....4..1..1
..0..6..0....0..6..0....3..3..0....2..2..4....2..0..3....1..5..0....2..6..0
..0..3..0....0..0..0....0..4..1....3..0..0....3..2..0....0..3..1....1..0..0
CROSSREFS
Cf. A265878.
Sequence in context: A216337 A142294 A279307 * A248523 A159546 A339566
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2015
STATUS
approved