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 A207442 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically 13
 2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 14, 81, 108, 81, 14, 21, 196, 323, 333, 196, 22, 31, 441, 1058, 1360, 1144, 484, 35, 46, 961, 3223, 6092, 6525, 4048, 1225, 56, 68, 2116, 9515, 25689, 41092, 32393, 14743, 3136, 90, 100, 4624, 28426, 105690, 243981, 287176 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..2....4.....6......9.......14........21.........31..........46............68 ..4...16....36.....81......196.......441........961........2116..........4624 ..6...36...108....323.....1058......3223.......9515.......28426.........84486 ..9...81...333...1360.....6092.....25689.....105690......439332.......1821924 .14..196..1144...6525....41092....243981....1414091.....8282682......48412066 .22..484..4048..32393...287176...2405923...19685415...162644898....1341574108 .35.1225.14743.165626..2078416..24609889..284247216..3316383098...38630942068 .56.3136.54250.855471.15205846.254583643.4151434555.68394049216.1125157869978 LINKS R. H. Hardin, Table of n, a(n) for n = 1..390 EXAMPLE Some solutions for n=4 k=3 ..1..1..0....0..0..0....0..1..1....0..1..1....1..0..0....0..1..1....1..1..1 ..0..0..0....0..1..1....1..1..1....1..1..0....0..0..0....0..0..0....1..1..1 ..1..1..0....0..0..0....0..0..0....0..1..1....1..0..0....0..1..1....0..1..1 ..0..0..0....0..1..1....1..1..1....1..1..0....0..0..0....0..1..1....1..1..0 CROSSREFS Column 1 is A001611(n+2) Column 2 is Column 1 squared Row 1 is A038718(n+2) Row 2 is A207069 Sequence in context: A207419 A208007 A207123 * A209224 A207693 A208108 Adjacent sequences:  A207439 A207440 A207441 * A207443 A207444 A207445 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 17 2012 STATUS approved

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Last modified June 28 05:18 EDT 2022. Contains 354903 sequences. (Running on oeis4.)