A200708 Number of nX2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards

36, 540, 7370, 95567, 1196837, 14599041, 174544948, 2054226643, 23879098633, 274805736757, 3136426281937, 35550221949225, 400585306584414, 4491028688561012, 50128085812559568, 557352332775257512

Offset

1,1

Comments

Column 2 of A200713

Links

R. H. Hardin, Table of n, a(n) for n = 1..86

Example

Some solutions for n=3
..1..5....3..7....0..5....0..3....1..2....0..2....0..0....0..2....1..4....5..5
..2..5....6..7....0..7....0..6....2..7....3..3....5..6....0..6....1..5....7..7
..7..7....6..7....5..6....3..5....5..6....7..7....4..6....6..6....3..7....6..7

Crossrefs

Sequence in context: A008657 A134289 A329913 * A186309 A159656 A081447

Adjacent sequences: A200705 A200706 A200707 * A200709 A200710 A200711

Keyword

nonn

Author

R. H. Hardin Nov 20 2011

Status

approved