|
|
A235733
|
|
Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
|
|
1
|
|
|
2660, 102683, 3906424, 146785037, 5507798734, 206338701948, 7729359642112, 289479683332559, 10841634018438254, 406031478000180997, 15206389099680101773, 569496214098940360752, 21328285621717396456336
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..1..1..0..0..1..1....0..0..1..1..0..1....0..1..1..1..1..1....0..0..1..0..1..0
..1..0..1..1..1..0....0..1..0..0..1..0....1..1..0..1..0..1....0..1..1..1..0..0
..0..0..1..0..1..0....0..1..1..0..1..0....0..1..0..0..1..0....1..0..0..0..1..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|