|
|
A252396
|
|
Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 4
|
|
1
|
|
|
23364738, 4246242886, 851022689884, 153561179184793, 28203141901710764, 5252935058161288682, 972746706281838505748, 180059178660528914566363, 33368829195710375064515258, 6182562165984455697871308974
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..0..0..0..1..0..0....0..0..0..0..1..0..1....0..0..0..1..2..0..1
..0..0..2..0..0..1..2....0..0..0..0..0..0..0....0..0..0..0..0..1..0
..0..0..0..0..0..1..1....0..0..2..0..0..0..2....0..0..1..1..0..1..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|