|
| |
|
|
A283414
|
|
Number of nX7 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.
|
|
1
|
|
|
|
128, 13624, 1030788, 90803472, 7790355688, 668024193788, 57400505786420, 4929074298340916, 423301606760080340, 36352878721804916656, 3121940940470892045344, 268108920151534075635600
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=2
..0..1..0..1..0..0..0. .0..1..0..0..0..0..1. .1..0..1..0..0..0..1
..0..0..0..1..1..1..1. .0..1..0..1..0..0..0. .0..0..1..1..0..1..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
