A200855 Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards

297, 20656, 1194898, 61846403, 3001883019, 139139776965, 6255225014290, 274516401002582, 11809166397959784, 499226777653438730, 20791732909081189037

Offset

1,1

Comments

Column 5 of A200858

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A253029 A251289 A281132 * A200582 A200581 A200218

Adjacent sequences: A200852 A200853 A200854 * A200856 A200857 A200858

Keyword

nonn

Author

R. H. Hardin Nov 23 2011

Status

approved