|
|
A235173
|
|
Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
|
|
1
|
|
|
281580, 1373616, 6664620, 32642908, 160169432, 790073988, 3906036120, 19401099892, 96570078596, 482795643156, 2418442014900, 12165215446444, 61303653175348, 310155807654948, 1571790478344524, 7995710085830632
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1:
4 3 0 6 4 5 4 2 4 7 5 4 2 4 6 5 7 5 0 1 0 1 0 3
7 2 3 5 7 4 6 0 6 5 7 2 1 7 5 0 6 0 6 3 6 3 6 5
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|