|
|
A302888
|
|
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
|
|
1
|
|
|
1, 496, 2548, 98458, 2727690, 89290791, 2899297652, 94799190457, 3098646840396, 101318692410975, 3312704193964731, 108315993718233338, 3541604337522608162, 115799973010176627546, 3786315710185413419126, 123801313825059497591042
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..0..1..0..1..1. .0..0..0..1..0..0..1. .0..0..0..0..0..0..1
..0..0..1..1..1..1..1. .0..0..1..1..1..0..0. .0..0..1..1..0..0..1
..0..0..1..0..0..1..1. .0..0..1..1..0..0..0. .0..0..0..1..1..0..0
..0..0..1..1..0..0..0. .0..0..0..1..1..1..1. .0..0..0..0..1..1..1
..0..0..0..1..1..0..1. .1..0..0..1..1..1..1. .1..0..0..0..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|