|
|
A222629
|
|
Number of nX2 0..1 arrays with no more than floor(nX2/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order
|
|
1
|
|
|
1, 1, 3, 10, 22, 49, 121, 316, 779, 1921, 4813, 12224, 30853, 77944, 197609, 502916, 1280453, 3263803, 8331482, 21300797, 54509660, 139622191, 357960169, 918555828, 2358870680, 6061898813, 15588393421, 40111331758, 103272011299, 266030741706
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
All solutions for n=3
..0..0....0..1....0..0
..0..0....1..1....0..0
..0..1....1..1....0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|