A203939 Number of (n+1)X4 0..5 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

36672, 1350442, 32094464, 568991365, 7806803388, 88637852693, 853966571340, 7204888459175, 54167606326812, 369279272035480, 2310457600833830, 13412611572570908, 72857443060898091, 373081682057371249

Offset

1,1

Comments

Column 3 of A203944

Links

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

Example

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

Crossrefs

Sequence in context: A250540 A251797 A143369 * A061739 A232135 A212467

Adjacent sequences: A203936 A203937 A203938 * A203940 A203941 A203942

Keyword

nonn

Author

R. H. Hardin Jan 08 2012

Status

approved