|
| |
|
|
A251299
|
|
Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9
|
|
1
|
|
|
|
1950036, 71163896, 3313122288, 203797267488, 15983177343168, 1492135910643272, 155808707894943636, 17437938159273237360, 2036816489163787580492, 244271558736881953551100
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..0..0..0..3..3..0..3....0..2..0..2..2..3..1..0....0..2..0..2..3..2..0..2
..0..3..3..3..0..3..0..0....0..1..0..1..1..0..2..3....3..1..3..1..0..1..0..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
