|
|
A205260
|
|
Number of (n+2)X6 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
|
|
|
103876, 5487807, 291785631, 15472955417, 820342090696, 43501020707845, 2306771728514169, 122321759466209533, 6486393245936890354, 343956270010397913842, 18239088048925327307336, 967170376334720158996481
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..1..0..1..1..0....0..1..1..0..0..1....0..1..0..0..1..0....0..1..0..0..0..0
..1..0..0..1..0..1....0..0..1..0..1..1....1..1..0..0..1..1....0..1..1..0..1..1
..0..0..0..0..1..0....0..1..1..0..1..0....1..0..0..0..1..0....0..0..1..0..0..1
..1..0..1..1..0..1....0..1..0..0..1..1....1..1..0..1..0..1....0..0..1..1..1..1
..1..0..1..1..0..0....0..0..1..0..0..0....0..1..1..0..1..0....1..1..1..0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|