|
|
A316173
|
|
Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
3, 51, 113, 331, 3087, 16382, 66575, 500251, 3416740, 19047049, 129559620, 890468688, 5562164262, 37167105351, 250462725049, 1626396906120, 10812077191872, 72132909231600, 474626430850484, 3149382854919519
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..0..0..1. .0..1..1..0..1. .0..1..1..0..1. .0..1..0..0..1
..1..1..0..1..0. .0..1..1..1..1. .0..1..1..1..1. .0..0..0..1..0
..1..1..1..1..1. .1..1..1..1..0. .0..0..1..1..0. .0..1..0..1..1
..0..1..1..1..1. .1..1..1..0..1. .0..1..1..1..0. .1..0..1..1..0
..1..1..1..0..1. .1..0..0..0..0. .1..0..1..1..1. .1..1..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|