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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 1
36672, 1350442, 32094464, 568991365, 7806803388, 88637852693, 853966571340, 7204888459175, 54167606326812, 369279272035480, 2310457600833830, 13412611572570908, 72857443060898091, 373081682057371249 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A203944
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2012
STATUS
approved

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Last modified June 18 18:01 EDT 2024. Contains 373486 sequences. (Running on oeis4.)