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 A206865 Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically 0
 2, 16, 211, 7675, 728935, 159327093, 90497940567, 125050630010443, 420541855354109634, 3548467633453651525361, 73505549006944543732634211, 3751209136697289848938709033475 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A206871 LINKS EXAMPLE Some solutions for n=4 ..1..0..0..1....0..1..1..0....1..1..0..0....0..0..1..0....0..1..0..0 ..1..1..0..0....1..1..0..0....0..1..1..1....0..0..1..0....1..0..1..1 ..1..0..1..0....0..1..0..0....0..1..0..1....1..1..0..0....1..0..0..1 ..1..0..0..1....0..1..1..0....1..1..0..1....1..1..0..0....1..0..0..1 CROSSREFS Sequence in context: A004121 A188600 A206930 * A349313 A114531 A012056 Adjacent sequences:  A206862 A206863 A206864 * A206866 A206867 A206868 KEYWORD nonn AUTHOR R. H. Hardin Feb 13 2012 STATUS approved

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Last modified January 27 17:36 EST 2022. Contains 350611 sequences. (Running on oeis4.)