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A232826 Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing 1
14, 48, 128, 316, 760, 1736, 3843, 8263, 17414, 36175, 74367, 151657, 307760, 622363, 1252908, 2517273, 5054285, 10135115, 20312547, 40696305, 81494762, 163130913, 326436190, 653032643, 1306255533, 2613178341, 5226868694, 10452686889 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A232831
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0....1..1..0....0..0..1....0..0..1....1..0..0....0..1..0....0..0..1
..0..0..0....0..0..1....0..0..1....1..1..0....0..1..0....0..0..1....0..0..1
..0..0..0....0..1..1....0..0..1....0..0..1....0..0..1....1..1..0....0..0..1
..0..1..0....0..1..1....0..1..1....0..1..1....0..0..1....1..0..1....1..1..0
..0..0..1....0..1..1....0..1..1....1..1..1....0..0..1....0..1..1....0..0..1
..0..1..1....1..1..1....1..1..1....1..1..1....0..1..1....0..1..1....0..1..1
CROSSREFS
Sequence in context: A205475 A205753 A332606 * A205468 A195966 A337421
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2013
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)