|
|
A237014
|
|
Number of (n+1)X(7+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal
|
|
0
|
|
|
204304, 286168, 431584, 755752, 1419088, 2995048, 6637792, 15955528, 39765904, 105137128, 285942304, 813043912
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..2..3..3..3..3..1..3..2....2..2..2..2..3..3..1..0....2..0..1..0..3..3..3..0
..1..0..0..0..0..2..0..1....2..1..2..1..1..0..3..3....1..3..2..3..0..0..0..3
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|