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A204339 T(n,k)=Number of (n+1)X(k+1) 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 9
1212, 22294, 22294, 296860, 947240, 296860, 3478214, 28167739, 28167739, 3478214, 35861109, 618981328, 1641649698, 618981328, 35861109, 338578395, 11129487382, 68380482851, 68380482851, 11129487382, 338578395, 2968107693, 167047130892 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........1212..........22294............296860............3478214
.......22294.........947240..........28167739..........618981328
......296860.......28167739........1641649698........68380482851
.....3478214......618981328.......68380482851......4891607353910
....35861109....11129487382.....2112336887047....250869977097844
...338578395...167047130892....52148478516988...9654523816277542
..2968107693..2182013404785..1056518851863222.294839891112676990
.24512819961.25223785164840.18214385897286379
LINKS
EXAMPLE
Some solutions for n=4 k=3
..6..2..5..7....3..6..2..7....5..3..1..7....4..2..3..0....0..3..5..6
..1..7..5..7....6..3..7..3....3..5..7..5....3..5..4..7....7..4..5..6
..3..5..7..5....2..7..3..7....3..7..5..7....4..4..5..6....4..7..6..6
..1..7..5..7....6..3..7..5....5..5..7..5....3..5..4..7....5..6..7..7
..3..5..7..5....2..7..5..7....3..7..5..7....2..6..7..4....6..6..7..7
CROSSREFS
Sequence in context: A258727 A234544 A047626 * A204332 A203661 A203657
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved

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Last modified March 18 22:34 EDT 2024. Contains 370951 sequences. (Running on oeis4.)