|
|
A302264
|
|
Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
|
|
1
|
|
|
64, 5135, 96004, 1984001, 41994750, 893462062, 18964765818, 402597400706, 8547940665506, 181527035285787, 3854821615967821, 81862339042940669, 1738453613332468089, 36918733850285685708, 784027054636001040433
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..1..1..1..0..1..1. .0..1..1..1..0..0..1. .0..0..1..0..0..1..1
..0..0..1..1..0..1..0. .0..0..1..0..0..1..0. .0..0..1..0..0..1..0
..0..0..1..0..0..1..0. .0..0..1..1..0..1..0. .0..0..1..1..0..1..1
..0..0..1..1..0..1..0. .0..0..1..1..0..1..0. .0..0..1..1..0..1..1
..0..1..1..0..0..1..0. .0..1..1..0..0..1..1. .0..1..1..0..0..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|