|
|
A204968
|
|
Number of (n+2)X7 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order
|
|
1
|
|
|
219755, 11064389, 547910909, 26548318278, 1294422106052, 63103000253312, 3075660728764228, 149917008692340855, 7307374345089599577, 356181560686179960227, 17361282472044746608190, 846237255084435072552419
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..1..0..1..0..1..1....0..0..1..0..0..1..0....0..0..1..0..1..1..0
..0..0..0..1..1..0..0....1..1..1..0..0..1..1....0..0..0..1..0..1..0
..1..0..0..1..0..0..0....0..1..1..0..1..1..1....0..0..1..1..1..1..0
..0..0..0..0..0..0..0....1..1..0..0..0..1..0....1..1..1..1..1..1..1
..1..1..0..0..1..0..0....1..1..1..0..1..0..0....1..1..1..1..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|