A200931 Number of nX2 0..6 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

21, 70, 86, 466, 11620, 46664, 19639, 1992563, 19428961, 27064328, 185609499, 6071753195, 27077249191, 10857445569, 1382034290296, 15507764357015, 22979292470431, 166552455290745, 5855288096822543, 26804755495077100

Offset

1,1

Comments

Column 2 of A200935

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

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

Crossrefs

Sequence in context: A297304 A155492 A201066 * A044159 A044540 A195026

Adjacent sequences: A200928 A200929 A200930 * A200932 A200933 A200934

Keyword

nonn

Author

R. H. Hardin Nov 24 2011

Status

approved