|
| |
|
|
A251298
|
|
Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9
|
|
1
|
|
|
|
361244, 9240612, 280654684, 10472034724, 475709341972, 25252159754868, 1492135910643272, 94429432665791560, 6236898155215652824, 423010342270840123048, 29168288863040798660104, 2032195260302124232141712
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..0..0..0..3..1..2....2..2..0..0..3..0..3....0..0..2..1..1..2..0
..2..1..2..1..2..0..3....1..1..3..3..0..3..3....3..3..1..2..2..1..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
