|
|
A293080
|
|
Number of n X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
|
|
1
|
|
|
0, 0, 53, 8108, 3786544, 6736259130, 48001754870966, 1383438455350705382, 161312497547006248372814, 76023645347398961263283802334, 144620752785016707502340606159808938
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..1..1..1..0. .0..0..0..0. .0..1..1..0. .1..1..0..0. .0..1..1..0
..0..1..1..0. .1..1..0..0. .0..0..1..1. .1..0..1..1. .0..0..0..1
..0..0..1..0. .0..0..0..1. .0..0..0..1. .0..1..1..0. .1..0..0..1
..0..0..0..1. .0..0..1..1. .0..0..1..0. .0..0..1..0. .0..1..1..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|