|
|
A296318
|
|
Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.
|
|
1
|
|
|
9, 132, 902, 8470, 77426, 676269, 6069953, 54182821, 482859661, 4309680012, 38447587452, 343001529054, 3060175277029, 27301498644398, 243572477909485, 2173052663274029, 19387068214074941, 172963318405155953
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 85 (see link above)
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..1..1..0..0. .1..0..1..0..0..0. .1..1..0..0..1..0. .0..0..1..0..0..1
..0..0..0..0..0..0. .1..0..1..0..0..1. .0..0..0..1..0..0. .0..0..1..0..0..1
..0..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..1..0..0..0..1. .1..1..0..0..0..0. .1..1..0..0..0..1. .0..0..0..1..0..1
..0..0..0..0..1..0. .0..0..1..1..0..0. .0..0..1..1..0..1. .0..0..1..0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|