|
|
A254816
|
|
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically
|
|
1
|
|
|
221858, 2691838, 37573674, 463784139, 5252066348, 59733054453, 617600165386, 6259013485112, 60421295621544, 566006242948991, 5135305476976656, 45460650492242015, 393319965785264860, 3339873754002581210
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..0..1..0..1..0..0....0..0..1..1..1..1..1....0..0..0..1..1..0..0
..1..0..1..0..1..1..0....1..0..0..0..1..1..1....1..0..0..0..1..1..0
..0..0..1..0..0..1..1....0..0..0..0..0..0..0....0..1..1..1..1..1..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|