A203671 Number of (n+1)X8 0..6 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively

482381877, 160492711072, 36453931556452, 4957510935448467, 438625288948634323, 27330475005789023048

Offset

1,1

Comments

Column 7 of A203672

Links

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

Example

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

Crossrefs

Sequence in context: A172535 A181728 A233840 * A251307 A287550 A216011

Adjacent sequences: A203668 A203669 A203670 * A203672 A203673 A203674

Keyword

nonn

Author

R. H. Hardin Jan 04 2012

Status

approved