|
|
A233305
|
|
Number of (5+1) X (n+1) 0..1 arrays x(i,j) with row sums Sum_{j=1..n+1} x(i,j) nondecreasing, and column sums Sum_{i=1..5+1} i^2*x(i,j) nondecreasing.
|
|
0
|
|
|
129, 1739, 21856, 239330, 2353493, 20916337, 170084407, 1276676471, 8918067742, 58369345796, 360074924787, 2104323603081, 11702598417138, 62173159707627
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..0..0..1..1..0....0..0..0..1..0....0..0..0..0..1....0..0..0..1..1
..0..0..1..0..1....0..0..1..1..1....0..0..1..0..1....1..0..1..1..0
..0..1..0..1..0....0..1..1..1..0....1..0..1..0..0....1..0..1..0..1
..0..0..1..1..0....1..0..1..0..1....0..0..1..1..1....1..0..1..0..1
..1..0..1..0..1....0..1..0..1..1....0..1..0..1..1....1..1..0..1..1
..0..1..0..1..1....0..0..1..1..1....0..0..1..1..1....0..1..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|