|
|
A234909
|
|
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 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
|
|
1
|
|
|
395992, 5287952, 66054728, 1035687060, 15595734400, 268581208108, 4410133393168, 80151723302880, 1370941526247760, 25729462123401132, 449038140756511800, 8617212783826638192, 152081237998449308184
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1:
0 4 5 1 3 4 6 3 7 3 6 7 2 4 3 7 6 3 0 3 0 4 0 2
2 5 7 2 5 7 4 0 5 2 4 6 0 3 1 6 4 2 2 6 4 7 4 5
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|