|
|
A320400
|
|
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
|
|
1
|
|
|
32, 1178, 18754, 368049, 6845143, 127789964, 2392115850, 44629532699, 834140753692, 15580741264463, 291092212043702, 5438147049045711, 101595093735936213, 1898003488715538165, 35458425306773811200
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..1..1..1..0. .0..0..0..1..1..1. .0..0..0..1..0..0. .0..0..0..1..0..0
..0..0..0..1..0..1. .0..0..0..0..1..1. .0..0..1..1..1..1. .0..0..0..1..1..1
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..0..1..1..0..1. .0..0..1..1..1..1
..0..0..0..1..1..0. .0..0..0..0..1..0. .0..0..1..0..1..1. .0..1..0..0..1..1
..0..0..0..1..1..0. .0..0..1..1..0..1. .0..1..1..1..1..0. .0..0..0..0..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|