|
|
A240891
|
|
Number of nX6 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order
|
|
1
|
|
|
16, 376, 7609, 154858, 3146755, 64074526, 1302610899, 26501432610, 539075345618, 10966382557858, 223082242117552, 4538081394098364, 92316133808933027, 1877950089801487198, 38202362639765816422, 777135231123406032012
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..0..1..2..0..2..1....0..1..0..1..0..1....0..1..0..2..1..0....0..0..1..0..1..0
..1..0..1..2..1..0....1..0..2..0..1..0....1..0..2..0..2..1....0..0..2..1..0..1
..0..2..0..1..2..1....0..2..1..2..0..1....0..2..0..1..1..0....2..1..0..2..1..0
..2..0..1..2..1..2....2..1..2..0..1..2....1..0..2..1..1..2....1..0..2..1..0..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|