A201448 Number of nX5 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

4, 56, 246, 261, 4544, 22324, 45532, 32314, 313710, 1126721, 1675002, 879801, 7177332, 20808117, 25958138, 11930250, 83429402, 215418299, 242046848, 99077372, 640294388, 1516885224, 1571234990, 603846146, 3627055278

Offset

1,1

Comments

Column 5 of A201451

Links

R. H. Hardin, Table of n, a(n) for n = 1..57

Example

Some solutions for n=8
..0..0..0..1..2....0..0..0..1..2....0..0..0..0..1....0..0..0..0..2
..0..1..1..1..2....0..0..1..1..2....0..0..1..1..2....0..0..0..2..2
..0..1..1..1..3....0..0..1..1..2....0..1..1..1..2....0..1..1..2..3
..0..1..2..2..3....0..0..1..1..2....0..1..1..1..2....0..1..1..2..3
..0..1..2..2..3....0..1..1..1..2....0..1..2..2..2....0..1..1..3..3
..0..1..2..3..3....2..2..2..3..3....0..2..2..3..3....1..1..2..3..3
..0..2..2..3..3....2..3..3..3..3....2..3..3..3..3....1..1..2..3..3
..0..2..3..3..3....2..3..3..3..3....2..3..3..3..3....2..2..2..3..3

Crossrefs

Sequence in context: A144138 A331776 A006592 * A195577 A255011 A201620

Adjacent sequences: A201445 A201446 A201447 * A201449 A201450 A201451

Keyword

nonn

Author

R. H. Hardin Dec 01 2011

Status

approved