|
|
A305952
|
|
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
1, 272, 2800, 76951, 1969026, 52618569, 1406191296, 37746118432, 1013991166787, 27256970473749, 732839142493897, 19705593065291569, 529895557393242397, 14249531178588711106, 383190868822260763957, 10304612759199778770913
(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. .0..0..1..0..0..1. .0..0..0..1..0..0. .0..0..0..1..1..1
..0..0..0..1..1..0. .0..0..1..0..0..1. .0..0..0..1..1..1. .0..0..0..1..0..0
..0..0..0..1..0..0. .1..1..0..1..1..1. .1..1..0..1..0..0. .1..1..1..1..0..0
..0..0..0..1..0..1. .0..1..1..0..1..0. .1..0..1..0..1..0. .1..1..1..0..0..0
..0..0..0..1..1..0. .1..0..1..0..0..1. .0..1..0..1..1..0. .0..0..0..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|