A201274 Number of nX5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

3, 16, 21, 199, 556, 442, 2827, 5680, 3651, 19960, 35039, 19820, 96084, 151800, 78205, 354360, 525467, 255143, 1089594, 1531163, 707770, 2908481, 3937393, 1758805, 6976823, 9145189, 3964264, 15328243, 19618905, 8309214, 31406219, 39327693

Offset

1,1

Comments

Column 5 of A201277

Links

R. H. Hardin, Table of n, a(n) for n = 1..141

Example

Some solutions for n=6
..0..0..0..0..0....0..0..0..0..2....0..0..0..0..0....0..0..0..0..0
..0..1..1..1..1....0..0..0..1..2....0..0..0..0..0....0..1..1..1..2
..0..1..1..1..2....0..0..0..1..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..1..1..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..2..2..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..2..2..2....1..2..2..2..2....0..1..2..2..2

Crossrefs

Sequence in context: A346072 A218625 A028687 * A101132 A153723 A091273

Adjacent sequences: A201271 A201272 A201273 * A201275 A201276 A201277

Keyword

nonn

Author

R. H. Hardin Nov 29 2011

Status

approved