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T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 101 in rows and columns
9

%I #5 Mar 31 2012 12:36:55

%S 98,253,253,621,787,621,1575,2237,2237,1575,4000,6615,7558,6615,4000,

%T 10057,19723,26528,26528,19723,10057,25384,57699,92748,112334,92748,

%U 57699,25384,64140,169561,319956,470807,470807,319956,169561,64140

%N T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 101 in rows and columns

%C Table starts

%C .....98.....253......621......1575.......4000.......10057.........25384

%C ....253.....787.....2237......6615......19723.......57699........169561

%C ....621....2237.....7558.....26528......92748......319956.......1110338

%C ...1575....6615....26528....112334.....470807.....1946072.......8108104

%C ...4000...19723....92748....470807....2370796....11699349......58260775

%C ..10057...57699...319956...1946072...11699349....68989536.....411159715

%C ..25384..169561..1110338...8108104...58260775...411159715....2942039652

%C ..64140..500813..3857116..33749405..290231774..2448491999...21001045294

%C .161819.1473813.13368366.140139039.1440610700.14527671131..149307714269

%C .408415.4336509.46374172.582872782.7161014248.86335466624.1063928895151

%H R. H. Hardin, <a href="/A203091/b203091.txt">Table of n, a(n) for n = 1..310</a>

%e Some solutions for n=3 k=3

%e ..0..0..1..0..0....1..0..0..1..0....1..0..0..1..1....0..1..1..1..1

%e ..0..0..1..1..1....0..0..1..1..1....0..1..1..1..0....1..1..1..1..1

%e ..1..1..1..1..1....0..1..1..1..1....0..1..1..1..0....0..1..1..1..1

%e ..1..1..1..1..0....1..1..1..1..1....1..1..1..1..1....0..0..1..1..1

%e ..0..0..1..1..0....0..1..1..1..0....0..1..1..1..0....1..0..0..1..0

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Dec 29 2011

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Last modified September 23 11:10 EDT 2024. Contains 376154 sequences. (Running on oeis4.)