|
| |
|
|
A251464
|
|
Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column
|
|
1
|
|
|
|
5926, 38509, 239572, 1125843, 5145888, 19854533, 75006354, 255126617, 853011914, 2668157253, 8219717614, 24279045133, 70676062040, 200592222675, 560962999717, 1547846775013, 4205200806698, 11371630681863, 30246462359503
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=2
..0..1..0..0..2..0....2..0..2..0..2..0....1..0..0..1..2..2....2..0..2..1..2..1
..1..0..1..1..2..1....0..0..1..0..1..2....1..0..2..2..2..1....0..0..0..0..2..0
..0..1..1..2..2..2....0..2..2..2..2..0....0..1..0..1..2..2....0..2..1..2..1..2
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
