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 A205281 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 7

%I #5 Mar 31 2012 12:37:05

%S 256,3516,3184,49342,131918,39419,687900,5557912,4826836,484930,

%T 9599032,233119498,605359630,175224700,5968388,133932498,9769758666,

%U 75356390650,65106769738,6371258488,73466056,1868731400,409681200668,9373958322702

%N T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

%C Table starts

%C .........256..........3516...........49342...........687900..........9599032

%C ........3184........131918.........5557912........233119498.......9769758666

%C .......39419.......4826836.......605359630......75356390650....9373958322702

%C ......484930.....175224700.....65106769738...23973193183186.8815623014830318

%C .....5968388....6371258488...7022771757046.7657621275762398

%C ....73466056..231711454340.757797042154570

%C ...904294268.8425775395122

%C .11130780320

%H R. H. Hardin, <a href="/A205281/b205281.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=4 k=3

%e ..1..2..0..1....2..1..2..1....2..0..0..1....3..2..0..1....0..1..2..2

%e ..0..2..2..3....1..3..2..0....3..1..1..0....2..0..3..3....0..3..2..3

%e ..0..3..0..2....3..3..1..2....2..1..3..3....1..3..0..3....1..0..2..1

%e ..3..2..1..2....3..2..1..1....1..3..0..2....0..1..1..0....2..2..3..1

%e ..0..2..3..2....2..1..1..0....0..1..1..2....3..3..3..2....0..0..3..0

%Y Column 1 is A205033

%Y Row 1 is A185919

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified February 23 04:31 EST 2024. Contains 370267 sequences. (Running on oeis4.)