A196542 Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself

35, 17967, 1231014, 492164626, 134252759220, 40385639042743, 12880710896209551, 4028515464320117251, 1257662709379037323051, 392183658148156006761193, 122501552053443938978492943

Offset

1,1

Comments

Column 6 of A196544

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=4
..2..2..1..1..2..0....0..3..0..3..1..2....2..2..1..3..1..1....2..1..0..2..2..2
..0..3..2..3..3..2....3..1..4..3..1..2....0..4..0..1..3..2....0..4..3..3..3..2
..1..4..2..4..4..0....1..0..1..2..2..3....2..4..1..4..4..0....1..3..3..4..4..0
..2..1..0..1..2..2....2..1..2..3..3..0....0..1..3..1..1..2....2..1..1..2..0..2

Crossrefs

Sequence in context: A030261 A345675 A007102 * A271072 A215570 A271073

Adjacent sequences: A196539 A196540 A196541 * A196543 A196544 A196545

Keyword

nonn

Author

R. H. Hardin Oct 03 2011

Status

approved