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 A189905 T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally 12
 2, 4, 4, 8, 16, 8, 15, 64, 64, 15, 28, 225, 512, 225, 28, 52, 784, 3375, 3375, 784, 52, 96, 2704, 21952, 35656, 21952, 2704, 96, 177, 9216, 140608, 372850, 377517, 140608, 9216, 177, 326, 31329, 884736, 3833322, 6442436, 3810503, 884736, 31329, 326, 600 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ...2......4.........8..........15............28..............52 ...4.....16........64.........225...........784............2704 ...8.....64.......512........3375.........21952..........140608 ..15....225......3375.......35656........372850.........3833322 ..28....784.....21952......377517.......6442436.......109264923 ..52...2704....140608.....3810503.....101895401......2719427244 ..96...9216....884736....36890502....1518596226.....63149685928 .177..31329...5545233...354894796...22333076803...1435483321366 .326.106276..34645976..3368920072..319934642768..31396505039678 .600.360000.216000000.31765314572.4537262993168.678724157124848 LINKS R. H. Hardin, Table of n, a(n) for n = 1..144 EXAMPLE Some solutions for 6X4 ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0 ..0..0..0..1....0..1..1..0....1..1..0..0....0..1..0..0....0..0..0..0 ..0..0..0..0....0..1..0..1....0..0..1..0....0..0..0..0....0..0..0..0 ..0..0..0..0....1..0..1..0....1..0..0..0....0..1..1..0....1..1..0..0 ..1..0..1..0....0..0..0..1....0..0..1..0....0..1..0..0....0..0..0..1 ..0..0..0..0....1..0..1..0....0..1..0..0....1..0..0..1....1..1..1..0 CROSSREFS Row 1 and Column 1 are A008937(n+1) Row 2 and Column 2 are A189154 Row 3 and Column 3 are A189155 Sequence in context: A188747 A204981 A267735 * A189161 A189343 A189779 Adjacent sequences:  A189902 A189903 A189904 * A189906 A189907 A189908 KEYWORD nonn,tabl AUTHOR R. H. Hardin May 01 2011 STATUS approved

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)