|
|
A235238
|
|
Number of (n+1) X (7+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
|
|
1
|
|
|
170864, 348876, 698304, 1593940, 3548456, 8787924, 21123784, 55565636, 141304528, 389137436, 1033108024, 2948180108, 8099212024, 23769869420, 67153607264, 201544634004, 582902960392, 1781509519796, 5256618469672
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1:
3 1 5 1 3 0 4 0 4 2 3 0 5 1 3 1 1 6 2 6 1 4 1 5
1 5 3 5 1 4 2 4 2 6 1 4 3 5 1 5 3 2 4 2 3 0 3 1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|