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A232825
Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing
2
7, 14, 23, 36, 54, 76, 104, 138, 179, 227, 283, 349, 423, 507, 602, 707, 823, 953, 1097, 1253, 1424, 1611, 1812, 2028, 2261, 2512, 2780, 3068, 3377, 3703, 4049, 4418, 4808, 5220, 5656, 6117, 6600, 7108, 7641, 8199, 8785, 9398, 10041, 10711, 11411, 12142
OFFSET
1,1
COMMENTS
Column 1 of A232831
LINKS
EXAMPLE
Some solutions for n=5
..0..0....0..0....0..0....0..0....0..1....0..0....0..0....1..0....0..0....0..0
..0..0....1..0....0..1....0..0....0..1....1..1....0..0....0..1....0..0....0..0
..0..1....1..0....0..1....1..0....0..1....1..1....0..0....0..1....0..0....0..0
..0..1....0..1....1..1....0..1....0..1....1..1....0..1....1..1....0..1....0..0
..0..1....0..1....1..1....0..1....0..1....1..1....0..1....1..1....1..1....0..0
..1..1....1..1....1..1....1..1....1..1....1..1....0..1....1..1....1..1....0..1
CROSSREFS
Sequence in context: A356183 A050953 A333859 * A297663 A190779 A188383
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2013
STATUS
approved