|
| |
|
|
A184558
|
|
Number of (n+1)X4 0..2 arrays with no 2X2 subblock summing to less than 4
|
|
1
|
|
|
|
2167, 91157, 3436266, 134840527, 5228522011, 203570564774, 7915660174974, 307926979784837, 11976979258313503, 465872448754593695, 18120917050387510050, 704848019543121767190, 27416378429106168358674
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for 3X4
..2..0..2..2....2..2..2..0....1..1..1..2....0..1..1..0....1..2..1..1
..2..2..2..0....1..2..0..2....2..2..2..1....2..2..2..1....2..2..2..0
..1..0..1..1....1..2..2..2....1..1..0..1....2..1..0..1....1..2..1..2
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
