|
|
A231440
|
|
Number of (n+2)X(7+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order
|
|
0
|
|
|
47, 280, 1943, 13458, 117959, 919000, 7859324, 70278737, 631712523, 5957662149, 56046139223
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..0..0..1..1..2..2..2..3..3....0..0..0..0..1..1..1..1..1
..0..0..1..1..2..2..2..3..3....0..0..0..0..1..1..1..1..1
..0..0..1..1..1..2..2..3..3....0..0..0..0..0..1..1..0..0
..0..0..1..1..1..2..2..3..3....0..0..0..0..0..0..0..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|