A203275 Number of nX6 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor

1, 2229009, 38204132307, 273475278673606, 1710751676209296372, 11855913847814563858262, 85442744497742460143930997, 607427531129462041273525413209, 4283331067191055533724625325231407

Offset

1,2

Comments

Column 6 of A203277

Links

R. H. Hardin, Table of n, a(n) for n = 1..75

Example

Some solutions for n=4
..1..5..3..0..2..3....2..3..3..1..2..4....1..2..5..3..1..3....1..2..0..3..2..2
..2..5..5..3..0..3....2..3..4..0..5..4....5..0..5..3..3..5....1..2..4..3..5..3
..5..0..2..4..3..3....1..5..4..1..5..5....5..2..5..5..5..5....4..0..4..5..5..3
..5..5..3..3..3..3....5..5..5..2..1..4....5..5..0..2..4..5....4..4..4..4..5..4

Crossrefs

Sequence in context: A172802 A172851 A250980 * A034608 A224628 A224629

Adjacent sequences: A203272 A203273 A203274 * A203276 A203277 A203278

Keyword

nonn

Author

R. H. Hardin Dec 31 2011

Status

approved