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A207762 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically 11

%I #5 Mar 31 2012 12:37:19

%S 2,4,4,6,16,6,9,36,36,9,13,81,82,81,14,19,169,221,193,196,21,28,361,

%T 493,663,488,441,31,41,784,1095,1664,2245,1087,961,46,60,1681,2654,

%U 4018,6552,6459,2305,2116,68,88,3600,6203,11509,16920,21547,17563,4932,4624,100

%N T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically

%C Table starts

%C ..2....4....6.....9.....13.....19......28.......41.......60........88

%C ..4...16...36....81....169....361.....784.....1681.....3600......7744

%C ..6...36...82...221....493...1095....2654.....6203....14182.....33242

%C ..9...81..193...663...1664...4018...11509....30943....79178....213444

%C .14..196..488..2245...6552..16920...59252...188350...538950...1709438

%C .21..441.1087..6459..21547..56651..235872...862146..2629798...9529570

%C .31..961.2305.17563..67330.178627..887114..3733566.11979209..49800326

%C .46.2116.4932.48649.217902.581166.3488718.17141340.57575203.278302021

%H R. H. Hardin, <a href="/A207762/b207762.txt">Table of n, a(n) for n = 1..684</a>

%e Some solutions for n=4 k=3

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

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

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

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

%Y Column 1 is A038718(n+2)

%Y Column 2 is A207069

%Y Column 3 is A207264

%Y Row 1 is A000930(n+3)

%Y Row 2 is A207170

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Feb 19 2012

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Last modified August 10 18:57 EDT 2024. Contains 375058 sequences. (Running on oeis4.)