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A208164 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 0 vertically 10

%I #5 Mar 31 2012 12:37:22

%S 2,4,4,6,16,6,9,36,36,9,13,81,102,81,14,19,169,281,287,196,21,28,361,

%T 699,981,882,441,31,41,784,1799,2920,3893,2491,961,46,60,1681,4706,

%U 9039,14446,13825,6759,2116,68,88,3600,12161,28681,55576,63031,46611,18528

%N T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 0 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...102....281.....699....1799.....4706.....12161......31356.......81206

%C ..9...81...287....981....2920....9039....28681.....89623.....278652......872602

%C .14..196...882...3893...14446...55576...222487....873641....3397748....13352522

%C .21..441..2491..13825...63031..297702..1474641...7151473...34264481...166182659

%C .31..961..6759..46611..258952.1493661..9072707..53874293..315713411..1874906825

%C .46.2116.18528.159545.1088966.7719181.57903614.424153857.3061342878.22414028568

%H R. H. Hardin, <a href="/A208164/b208164.txt">Table of n, a(n) for n = 1..544</a>

%e Some solutions for n=4 k=3

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

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

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

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

%Y Column 1 is A038718(n+2)

%Y Column 2 is A207069

%Y Column 3 is A207237

%Y Row 1 is A000930(n+3)

%Y Row 2 is A207170

%Y Row 3 is A207961

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Feb 24 2012

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Last modified August 4 06:09 EDT 2024. Contains 374905 sequences. (Running on oeis4.)