|
|
A235446
|
|
Number of (n+1)X(5+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise
|
|
1
|
|
|
2644, 102376, 3886120, 146213244, 5485253042, 205551169550, 7699719982722, 288383414393138, 10800536489561114, 404495358726610494, 15148844516247948642, 567341751928412753520, 21247593602541105806608
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..1..1..1..1..0..1....0..1..0..1..0..0....1..0..1..0..0..1....0..0..0..1..0..1
..0..1..0..1..1..0....0..1..1..0..0..1....0..1..0..1..0..1....0..0..1..0..1..0
..1..1..1..0..0..0....1..1..0..0..1..0....1..0..0..1..0..1....1..0..1..1..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|