|
|
A222388
|
|
Sum of neighbor maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 3Xn array
|
|
1
|
|
|
8, 64, 512, 3968, 32768, 262144, 2093824, 16776064, 134121152, 1073741824, 8589934592, 68719450112, 549755703296, 4398040219648, 35184371580928, 281474867658752, 2251799813685248, 18014398509481984, 144115184855048192
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..0..1....0..0..0....1..0..0....1..1..1....0..0..0....1..0..1....1..0..0
..1..1..0....1..1..1....1..1..1....0..0..0....1..0..0....0..1..0....1..1..1
..1..1..1....1..0..1....1..1..0....0..1..0....1..0..0....1..0..0....0..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|