A203669 Number of (n+1)X6 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

8749285, 1447373824, 150678768765, 10106160753534, 469214921553966, 16249513382398064, 438625288948634323, 9625199918804866359, 176543812149077636943, 2775220642087352961325, 38080738704427686340367

Offset

1,1

Comments

Column 5 of A203672

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

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

Crossrefs

Sequence in context: A179577 A345617 A346334 * A233476 A078143 A216003

Adjacent sequences: A203666 A203667 A203668 * A203670 A203671 A203672

Keyword

nonn

Author

R. H. Hardin Jan 04 2012

Status

approved