A200857 Number of nX7 0..4 arrays with every row and column running average nondecreasing rightwards and downwards

1957, 586908, 144195756, 31197299012, 6255225014290, 1191594088382132

Offset

1,1

Comments

Column 7 of A200858

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A234560 A232389 A209946 * A351680 A157627 A072598

Adjacent sequences: A200854 A200855 A200856 * A200858 A200859 A200860

Keyword

nonn

Author

R. H. Hardin Nov 23 2011

Status

approved