|
|
A234479
|
|
Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
|
|
1
|
|
|
1200640, 56172656, 2941603932, 163999261180, 9478559277180, 560119617963572, 33549726037031472, 2027462205875377860, 123190042750851103212, 7513795358540375982160, 459317893129790736307176
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1:
0 6 6 5 5 4 2 5 3 7 0 2 5 3 1 0 0 0 2 3
0 7 6 4 3 2 1 3 0 3 2 5 7 6 3 0 1 2 3 3
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|