|
|
A282995
|
|
Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors.
|
|
2
|
|
|
81, 2570, 96693, 3546870, 130854309, 4817792042, 177509416175, 6539125324144, 240894164469261, 8874303766960833, 326920126439954151, 12043397390708228297, 443666302338469244577, 16344206879501911050248
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..0..0..1..0..1. .0..0..0..0..1..0..1. .0..0..0..1..0..0..0
..0..0..0..1..0..0..0. .0..0..0..0..0..0..1. .0..0..0..0..1..0..0
..0..0..0..0..1..0..1. .0..0..1..1..0..0..0. .0..0..1..0..0..0..0
..0..0..0..0..1..0..0. .0..0..0..0..0..0..1. .0..0..0..0..1..0..1
..0..0..0..1..0..1..0. .0..0..0..0..1..1..0. .0..0..0..0..0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|