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A203106
Number of nX6 binary arrays with every 1 immediately preceded by 0 0 to the left or above
1
6, 36, 1125, 20459, 290787, 4984843, 86512536, 1422678297, 23676061927, 398569091990, 6665187099447, 111312476711916, 1863171147095028, 31177909529015664, 521431754829287284, 8722671700852650274
OFFSET
1,1
COMMENTS
Column 6 of A203108
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..0..0....0..0..0..0..0..0....0..0..0..0..0..1....0..0..0..0..0..1
..0..0..0..1..0..0....0..0..0..1..0..0....0..0..0..0..0..1....0..0..0..0..0..1
..1..0..0..0..0..1....1..0..1..0..1..0....0..0..1..0..0..0....0..0..0..0..0..1
..0..1..0..0..0..0....0..1..0..0..0..1....1..1..0..0..0..1....0..0..0..0..0..0
CROSSREFS
Sequence in context: A244841 A268161 A082027 * A351796 A069031 A061234
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 29 2011
STATUS
approved