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A189777
Number of nX7 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally
1
97, 9409, 912673, 48633913, 2475199422, 112831587094, 5404382625660, 256681706358532, 12454322928575313, 600861626029136589, 29098233597048811000, 1404753215113899124268, 67882068723678010867189
OFFSET
1,1
COMMENTS
Column 7 of A189779
EXAMPLE
Some solutions for 5X7
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..1..1..1..0..0..0..0....0..0..0..0..0..0..0....1..0..1..0..0..0..0
..1..0..1..1..0..0..0....1..1..1..1..1..0..0....1..1..1..0..0..0..0
..1..1..1..0..0..0..0....0..0..0..0..0..0..0....1..0..1..0..0..0..0
..1..1..1..1..0..0..0....1..1..1..0..1..0..0....0..0..0..0..0..0..0
CROSSREFS
Sequence in context: A017760 A069419 A189341 * A302330 A057011 A218591
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 27 2011
STATUS
approved