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A230189
Number of 6Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j)
1
0, 2049, 143451, 34825803, 7303192425, 1576417829097, 337613109419463, 72442679020274343, 15538191696598121541, 3333031870313982444195, 714944148431332304491227, 153357839247813109681299999
OFFSET
1,2
COMMENTS
Row 6 of A230184
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0....1..1..2....1..1..1....1..1..2....1..1..0....1..1..1....0..2..1
..1..2..1....2..0..2....1..2..0....1..0..0....0..2..2....1..1..2....1..1..0
..1..1..0....2..0..2....0..0..0....0..2..1....2..0..1....1..0..2....1..2..1
..0..2..0....2..0..2....2..2..2....1..1..0....1..1..0....2..1..1....0..1..1
..2..0..2....2..1..1....2..0..2....1..2..1....1..2..2....1..0..1....1..1..2
..2..2..0....2..0..2....2..0..2....1..1..1....0..0..2....2..1..1....2..0..2
CROSSREFS
Sequence in context: A017555 A071116 A060949 * A321808 A017685 A013959
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2013
STATUS
approved