|
|
A278271
|
|
Number of nX6 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
|
|
1
|
|
|
0, 30475, 44653299, 58169902939, 78878506284185, 106937880786585233, 144890411982622214715, 196324396224795460823590, 266017816110405604627304812, 360451345655941579473611590523
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..0..1..1..0..0..1. .0..3..1..0..3..1. .0..1..2..1..0..2. .0..0..3..3..2..0
..0..2..3..3..2..1. .1..2..1..1..2..0. .2..3..1..3..3..1. .1..2..1..0..1..3
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|