|
|
A185520
|
|
Number of (n+1)X9 0..2 arrays with every 2X2 subblock singular
|
|
1
|
|
|
841449, 853020411, 119752453041, 56140705014995, 12721664424927033, 4536327635584899147, 1241739109392066416737, 401495654334865659721795, 118095161592668358071069961, 36895636527963491594862394779
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for 3X9
..0..0..0..0..0..0..2..0..0....0..0..0..0..2..0..0..1..1
..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..2..0..0..0....0..0..1..0..0..0..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|