|
|
A230975
|
|
Number of (n+2)X(6+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero
|
|
1
|
|
|
7056, 767376, 56791296, 5771137024, 630277210000, 66985909298064, 7053147648320400, 744552485586204304, 78687903371332695696, 8314048899342206023936, 878337906131970760399504
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..0..0..2..2..0..1..2....0..0..0..0..2..0..0..2....0..2..2..0..0..0..2..2
..1..1..3..3..1..0..3..2....1..1..3..3..1..1..3..3....1..1..3..3..1..1..3..3
..0..2..2..2..2..0..3..2....0..2..2..2..2..2..0..2....0..2..0..0..2..2..0..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|