A250453 Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction

395240, 75647740, 11894220206, 1868402502223, 285429015596551, 43298244589432163, 6511299501417969432, 977210423426810361513, 146307545836444838704896, 21897827369360153406809961

Offset

1,1

Comments

Column 7 of A250454

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A320218 A230792 A131277 * A233612 A234909 A224633

Adjacent sequences: A250450 A250451 A250452 * A250454 A250455 A250456

Keyword

nonn

Author

R. H. Hardin, Nov 23 2014

Status

approved