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 A203672 T(n,k)=Number of (n+1)X(k+1) 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) nondecreasing in column and row directions, respectively 9
 728, 10530, 10530, 111648, 317138, 111648, 1049566, 6780455, 6780455, 1049566, 8749285, 108864887, 258487684, 108864887, 8749285, 67221763, 1447373824, 7178236454, 7178236454, 1447373824, 67221763, 482381877, 16256618529 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........728.........10530..........111648...........1049566.............8749285 ......10530........317138.........6780455.........108864887..........1447373824 .....111648.......6780455.......258487684........7178236454........150678768765 ....1049566.....108864887......7178236454......314604157273......10106160753534 ....8749285....1447373824....150678768765....10106160753534.....469214921553966 ...67221763...16256618529...2567705516301...248951034536521...16249513382398064 ..482381877..160492711072..36453931556452..4957510935448467..438625288948634323 .3278417620.1415401335585.446170354019486.82056214302673100.9625199918804866359 LINKS R. H. Hardin, Table of n, a(n) for n = 1..84 EXAMPLE Some solutions for n=4 k=3 ..5..0..2..5....3..1..1..5....3..0..2..3....1..0..0..5....2..5..1..1 ..0..5..5..4....1..4..4..2....3..6..4..4....2..5..5..4....5..2..6..6 ..1..5..5..6....2..4..4..6....5..4..6..6....2..5..5..6....1..6..6..6 ..3..4..6..5....6..4..5..5....3..6..6..6....1..6..6..6....4..6..6..6 ..6..5..5..6....4..6..5..5....5..6..6..6....3..6..6..6....6..6..6..6 CROSSREFS Sequence in context: A051383 A293650 A233962 * A203665 A203913 A203909 Adjacent sequences: A203669 A203670 A203671 * A203673 A203674 A203675 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 04 2012 STATUS approved

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Last modified May 31 15:11 EDT 2023. Contains 363068 sequences. (Running on oeis4.)