|
|
A185504
|
|
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum
|
|
7
|
|
|
0, 99, 99, 163, 697, 163, 1107, 4451, 4451, 1107, 2887, 30775, 41643, 30775, 2887, 13347, 207705, 511253, 511253, 207705, 13347, 43105, 1418183, 5616321, 10355969, 5616321, 1418183, 43105, 174081, 9658679, 64545575, 195165583, 195165583
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Table starts
.......0........99........163........1107.........2887........13347.......43105
......99.......697.......4451.......30775.......207705......1418183.....9658679
.....163......4451......41643......511253......5616321.....64545575...727129819
....1107.....30775.....511253....10355969....195165583...3784477987.72577946431
....2887....207705....5616321...195165583...6164545679.201869155765
...13347...1418183...64545575..3784477987.201869155765
...43105...9658679..727129819.72577946431
..174081..65903901.8283584625
..613897.449371311
.2364597
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for 4X3
..1..2..1....0..0..2....2..2..2....1..1..0....2..0..2....1..1..2....2..0..1
..1..2..2....2..1..2....2..1..0....1..1..0....2..1..2....0..0..1....1..0..2
..0..1..2....2..1..2....2..2..2....0..1..1....1..1..1....2..1..1....1..1..2
..1..1..1....2..1..2....0..0..0....2..2..1....0..0..0....1..1..2....2..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|