|
| |
|
|
A181221
|
|
Number of nX5 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally
|
|
1
|
|
|
|
24, 576, 6475, 97764, 1495392, 21513936, 316896477, 4672517426, 68571093673, 1008146803248, 14823077688569, 217869625616208, 3202690847200999, 47079980407589036, 692062815855417554, 10173239318638447266
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some avoided solutions for 3X5
..0..1..0..0..0....0..1..0..0..0....0..0..0..0..0....0..0..0..0..1
..0..0..1..0..0....0..1..0..0..0....0..0..0..0..0....0..0..0..1..0
..1..0..0..1..0....0..1..0..1..0....1..1..1..1..0....1..0..1..0..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
