|
| |
|
|
A258951
|
|
Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum
|
|
1
|
|
|
|
80000, 213920, 605904, 1724976, 4964896, 14867112, 44522440, 134384448, 410930808, 1260815840, 3895391352, 12098662888, 37721194992, 118143270584, 371262795592, 1170540703680, 3702141701352, 11740406194384, 37331111667992
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..1..1..0..0....0..1..0..1..1....0..0..1..0..1....0..1..1..1..0
..1..1..1..1..0....1..1..1..0..1....0..1..1..1..0....0..0..0..1..0
..0..1..0..0..0....1..0..1..0..1....1..0..0..0..1....1..0..1..1..0
..0..1..0..1..0....0..0..0..0..0....1..0..0..1..1....0..1..0..0..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
