A203547 Number of nX5 0..4 arrays with every nonzero element less than or equal to some NW, E or S neighbor

1, 48046, 67657718, 48904258294, 33466433693229, 24753202810365029, 18555799450636433964, 13763223061933063467070, 10186661704546478311553131, 7551197096177839447735351154, 5599300193828264406174181228291

Offset

1,2

Comments

Column 5 of A203550

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A234297 A043615 A252949 * A156117 A254771 A254778

Adjacent sequences: A203544 A203545 A203546 * A203548 A203549 A203550

Keyword

nonn

Author

R. H. Hardin Jan 02 2012

Status

approved