|
| |
|
|
A317696
|
|
Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
|
21, 289, 593, 16008, 464357, 12414382, 526480617, 21681685596, 800622189621, 32130855052281, 1312119008692568, 51836224178847872, 2071718430619769621, 83585729339898936754, 3347455884395450478055, 134104196324870185800023
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..1..0..1..1..1. .0..0..1..0..1..0..1. .0..0..0..1..0..1..0
..0..1..1..0..1..0..1. .0..0..0..0..1..1..1. .0..1..0..1..0..0..0
..0..0..1..0..1..0..0. .0..1..1..0..0..0..0. .0..0..0..1..1..1..1
..1..1..1..1..1..1..1. .0..0..0..1..1..0..1. .1..1..1..1..0..1..0
..1..0..0..0..0..0..1. .0..0..1..1..1..1..1. .1..0..0..1..0..0..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
