|
|
A203394
|
|
Number of nX5 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor
|
|
1
|
|
|
1, 10804, 5666072, 1650100394, 474618867194, 146110498224967, 45159146324783578, 13840616100127064523, 4239890557730330329770, 1300239131370728248882003, 398754832915217001399620056
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..2..0..2..0..1....0..1..1..0..1....2..2..0..2..2....0..0..1..0..0
..2..3..2..2..1....1..1..3..2..1....1..2..0..1..2....1..1..3..3..0
..2..3..1..3..2....0..2..3..3..3....2..2..1..0..0....3..1..1..3..2
..0..3..3..3..3....2..2..2..0..3....0..2..0..0..0....3..3..1..0..3
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|