A203660 Number of (n+1)X5 0..7 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) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing

9592248, 85151157995, 931767180207600, 7676075878291358313, 49640621147968317363235

Offset

1,1

Comments

Column 4 of A203661

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=5
..4..4..6..2..2....4..3..1..5..6....5..4..4..4..2....0..2..2..1..6
..4..5..3..7..7....2..5..7..3..4....4..5..5..5..7....2..4..4..6..3
..7..5..7..4..4....7..1..0..6..6....2..7..7..7..5....5..5..5..5..5
..5..7..5..6..6....6..2..3..0..5....5..5..5..5..7....3..7..7..7..2
..7..5..7..5..6....1..7..3..6..3....4..6..6..6..4....6..7..7..0..1
..5..7..5..7..7....1..7..3..6..3....6..5..5..5..7....6..7..7..0..4

Crossrefs

Sequence in context: A124515 A075009 A186627 * A250518 A268252 A251504

Adjacent sequences: A203657 A203658 A203659 * A203661 A203662 A203663

Keyword

nonn

Author

R. H. Hardin Jan 04 2012

Status

approved