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 A207879 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 1 1 vertically 6
 2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 72, 81, 13, 19, 169, 164, 164, 169, 19, 28, 361, 336, 400, 336, 361, 28, 41, 784, 702, 824, 824, 702, 784, 41, 60, 1681, 1488, 1940, 1648, 1940, 1488, 1681, 60, 88, 3600, 3164, 4200, 4160, 4160, 4200, 3164, 3600, 88, 129 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..2....4....6....9....13....19.....28.....41.....60......88.....129......189 ..4...16...36...81...169...361....784...1681...3600....7744...16641....35721 ..6...36...72..164...336...702...1488...3164...6612...13916...29532....62032 ..9...81..164..400...824..1940...4200...9276..21004...46026..102674...228630 .13..169..336..824..1648..4160...8892..19710..44868..100056..224792...497348 .19..361..702.1940..4160.10742..24952..61530.143916..341856..844144..1976858 .28..784.1488.4200..8892.24952..51696.136490.313524..741944.1781472..4256398 .41.1681.3164.9276.19710.61530.136490.380632.932930.2455492.6227022.15894853 LINKS R. H. Hardin, Table of n, a(n) for n = 1..760 EXAMPLE Some solutions for n=4 k=3 ..0..0..1....0..1..1....1..0..0....1..0..0....1..1..1....1..0..0....1..1..1 ..0..0..1....0..0..1....0..1..0....1..0..0....0..1..1....1..1..0....0..0..1 ..1..0..0....1..0..0....1..1..0....0..1..1....1..0..0....0..1..0....1..0..0 ..1..0..0....1..1..1....1..0..0....1..1..1....1..1..1....0..0..1....1..0..0 CROSSREFS Column 1 is A000930(n+3) Column 2 is A207170 Column 3 is A207683 Sequence in context: A267719 A207752 A207514 * A207682 A207488 A207269 Adjacent sequences: A207876 A207877 A207878 * A207880 A207881 A207882 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 21 2012 STATUS approved

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Last modified December 5 20:19 EST 2023. Contains 367594 sequences. (Running on oeis4.)