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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A232831

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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: A013644 A178894 A050953 * A297663 A190779 A188383

Adjacent sequences:  A232822 A232823 A232824 * A232826 A232827 A232828

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2013

STATUS

approved

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Last modified January 29 14:23 EST 2020. Contains 331338 sequences. (Running on oeis4.)