A203912 Number of (n+1)X5 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) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing

2788842, 11575205434, 63988637491851, 270356138202215532, 898462061528909496153, 2459051354235725726537096, 5732451730121715144022348644, 11655318352946527961268400859823

Offset

1,1

Comments

Column 4 of A203913

Links

R. H. Hardin, Table of n, a(n) for n = 1..9

Example

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

Crossrefs

Sequence in context: A295471 A316487 A250535 * A355502 A356685 A234189

Adjacent sequences: A203909 A203910 A203911 * A203913 A203914 A203915

Keyword

nonn

Author

R. H. Hardin Jan 07 2012

Status

approved