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A204334 Number of (n+1)X4 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) nondecreasing in column and row directions, respectively 1
296860, 28167739, 1641649698, 68380482851, 2112336887047, 52148478516988, 1056518851863222, 18214385897286379, 272369535865540934, 3605626582401347706, 42838162300239816905, 462748031670197579287 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A204339
LINKS
EXAMPLE
Some solutions for n=4
..5..1..7..4....2..5..6..4....1..0..5..4....0..3..5..6....2..4..6..6
..0..6..4..7....5..6..5..7....5..6..4..5....7..4..5..6....7..5..5..7
..2..4..6..7....5..6..7..6....6..5..7..6....4..7..6..6....5..7..7..7
..0..6..7..7....4..7..6..7....4..7..6..7....5..6..7..7....6..7..7..7
..0..6..7..7....5..6..7..6....7..6..7..6....6..6..7..7....6..7..7..7
CROSSREFS
Sequence in context: A251387 A164946 A204318 * A048906 A251334 A119740
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)