|
|
A205263
|
|
Number of (n+2)X9 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..1 introduced in row major order
|
|
1
|
|
|
44989988, 16618559061, 6206887994602, 2306771728514169, 857047765548288466, 318538318082592159576, 118390237532638666425606, 44000626228588774560866297, 16353210105219251396525765791
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..1..1..0..1..0..1..0..1....0..1..0..0..0..1..0..0..0
..0..0..0..1..1..0..0..0..1....1..1..1..1..1..0..0..1..1
..0..0..0..1..1..1..0..0..0....1..1..0..0..0..0..1..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|