A203064 Number of nX6 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

4977, 449303011, 20929382959987, 791448514067936533, 31156761253774532504653, 1249342261879637139766649551, 49914811479638345089686932458181, 1991171926554787054991468100143701861

Offset

1,1

Comments

Column 6 of A203066

Links

R. H. Hardin, Table of n, a(n) for n = 1..12

Example

Some solutions for n=5
..0..0..5..4..3..4....3..3..6..2..3..4....1..2..2..3..1..0....2..1..5..2..3..1
..2..1..5..4..1..5....3..1..6..0..1..6....4..2..2..3..1..1....4..4..5..4..6..1
..3..6..5..2..4..6....1..6..5..3..4..6....4..0..2..0..4..6....3..6..4..6..6..5
..0..6..2..2..5..6....4..6..1..1..2..2....4..2..0..1..4..6....3..6..2..4..2..4
..1..3..0..2..2..1....3..1..6..6..2..1....0..5..5..0..6..6....2..5..6..6..5..5

Crossrefs

Sequence in context: A116147 A233630 A254696 * A239506 A237563 A248486

Adjacent sequences: A203061 A203062 A203063 * A203065 A203066 A203067

Keyword

nonn

Author

R. H. Hardin Dec 28 2011

Status

approved