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 A207263 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 0 1 vertically 1
 2, 16, 82, 611, 5904, 45520, 467686, 4556171, 48655983, 567847595, 6351729691, 80023297510, 1005050679531, 12834603243934, 174354454607454, 2353308940308585, 32870079608035300, 470039857440029540 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A207269 LINKS R. H. Hardin, Table of n, a(n) for n = 1..23 EXAMPLE Some solutions for n=4 ..1..0..0..1....0..1..0..1....1..1..0..1....1..0..0..1....0..0..1..0 ..0..1..0..0....0..1..0..0....0..1..0..1....0..0..1..0....1..1..1..0 ..0..0..1..0....1..1..0..0....0..1..0..1....0..1..0..0....0..0..1..0 ..1..0..0..1....0..1..0..1....1..0..1..0....1..0..0..1....0..0..1..0 CROSSREFS Sequence in context: A052346 A207482 A207880 * A207757 A283951 A207340 Adjacent sequences: A207260 A207261 A207262 * A207264 A207265 A207266 KEYWORD nonn AUTHOR R. H. Hardin Feb 16 2012 STATUS approved

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Last modified August 5 23:35 EDT 2024. Contains 374957 sequences. (Running on oeis4.)