|
|
A251110
|
|
Number of (n+1)X(5+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements
|
|
1
|
|
|
6544, 67518, 549944, 4633551, 39326009, 336432413, 2909254399, 25213072536, 217873020830, 1882537978094, 16299682192948, 141211940464804, 1222431286544815, 10577974456269485, 91555094515329885, 792579395389803397
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..1..0..0..1..1..2....0..1..2..2..2..0....2..0..1..0..2..2....2..0..0..1..1..2
..1..0..0..0..0..0....0..0..0..0..2..2....2..0..1..0..0..1....2..0..0..0..1..1
..2..2..2..2..1..1....2..2..1..0..0..2....2..2..1..1..1..0....2..2..2..0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|