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A222389
Sum of neighbor maps: number of 4Xn 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 4Xn array
0
16, 232, 3968, 63488, 1048576, 16776896, 268369920, 4294961152, 68702608704, 1099511627776, 17592160878592, 281474976700416, 4503599627370496
OFFSET
1,1
COMMENTS
Row 4 of A222386
EXAMPLE
Some solutions for n=3
..0..1..0....1..0..1....1..1..1....1..1..0....1..0..1....1..0..0....0..1..0
..0..1..0....0..0..0....1..0..1....1..0..1....1..0..0....0..1..1....0..0..1
..0..0..0....1..1..0....0..1..0....1..0..1....0..0..1....0..1..0....1..1..0
..0..0..0....0..1..1....1..0..1....1..1..1....1..1..0....1..0..1....1..1..1
CROSSREFS
Sequence in context: A274467 A119463 A292341 * A222938 A265469 A111096
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved