|
|
A316806
|
|
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
32, 2048, 113606, 6256258, 347046960, 19261290694, 1068884675914, 59316329979368, 3291689981719718, 182668482769226702, 10136973087123095344, 562539425213022979602, 31217465270119239306522, 1732376601913389433146536
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 59 (see link above)
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..0..1..0..0. .0..0..0..1..0..0. .0..0..0..0..1..0. .0..0..0..1..0..1
..0..0..0..1..0..1. .0..0..1..1..1..0. .0..0..0..1..0..0. .0..0..0..1..1..0
..0..0..1..1..1..1. .0..0..0..1..0..0. .0..0..1..1..0..0. .0..0..1..0..1..0
..0..0..0..1..0..0. .0..0..0..0..1..1. .0..0..0..1..0..0. .0..0..0..1..1..0
..0..0..0..0..1..1. .0..0..0..0..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|