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 A206871 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically 12
 2, 4, 4, 7, 16, 7, 13, 49, 49, 12, 24, 169, 211, 144, 21, 44, 576, 1153, 889, 441, 37, 81, 1936, 6139, 7675, 3967, 1369, 65, 149, 6561, 31529, 63866, 55063, 17737, 4225, 114, 274, 22201, 165783, 502864, 728935, 397221, 78799, 12996, 200, 504, 75076, 867545 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ...2.....4......7.......13.........24..........44............81.............149 ...4....16.....49......169........576........1936..........6561...........22201 ...7....49....211.....1153.......6139.......31529........165783..........867545 ..12...144....889.....7675......63866......502864.......4108471........33311703 ..21...441...3967....55063.....728935.....8942469.....115505069......1476136671 ..37..1369..17737...397221....8373905...159327093....3254925997.....65503023421 ..65..4225..78799..2841311...95207761..2805723059...90497940567...2863087460903 .114.12996.350017.20294131.1080443638.49382253588.2513905109615.125050630010443 LINKS R. H. Hardin, Table of n, a(n) for n = 1..312 EXAMPLE Some solutions for n=4 k=3 ..1..1..0....1..1..0....1..0..0....0..0..1....0..1..0....1..1..1....0..0..1 ..0..0..1....0..0..1....0..0..1....0..0..1....1..0..1....1..1..0....0..0..1 ..0..0..1....0..0..1....0..0..1....1..1..1....0..0..1....1..0..0....0..0..1 ..1..0..0....0..1..1....0..1..1....0..0..1....0..1..0....1..0..1....1..1..1 CROSSREFS Column 1 is A005251(n+3) Column 2 is A188501 Row 1 is A000073(n+3) Row 2 is A085697(n+1) Sequence in context: A206889 A188774 A206936 * A207088 A207182 A206994 Adjacent sequences:  A206868 A206869 A206870 * A206872 A206873 A206874 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 13 2012 STATUS approved

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Last modified May 23 23:07 EDT 2022. Contains 353993 sequences. (Running on oeis4.)