A201100 Number of nX7 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

8, 3273, 478198, 31885648, 945668958, 12230511648, 80495995176, 155796077603, 18098348588856

Offset

1,1

Comments

Column 7 of A201101

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A137565 A281323 A145260 * A079177 A298279 A299372

Adjacent sequences: A201097 A201098 A201099 * A201101 A201102 A201103

Keyword

nonn

Author

R. H. Hardin Nov 26 2011

Status

approved