|
|
A234165
|
|
Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
|
|
1
|
|
|
24158, 208412, 1773484, 15427948, 133660366, 1183467658, 10438586426, 94449496104, 849993735464, 7882971512792, 72513701669622, 690714087534706, 6499304028679962, 63623536362231308, 612011883415592408
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1:
4 1 4 1 2 2 4 4 4 4 1 4 2 3 2 1 0 1 2 3
2 1 2 1 0 2 2 0 2 0 3 4 0 3 4 0 1 0 3 2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|