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A204056 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order 9

%I #5 Mar 31 2012 12:37:00

%S 1379,10447,10447,80391,112362,80391,622031,756338,756338,622031,

%T 4823759,5883499,5257444,5883499,4823759,37451727,45689226,39646479,

%U 39646479,45689226,37451727,290942303,361569647,315429190,316144367,315429190

%N T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order

%C Table starts

%C .......1379.......10447........80391........622031.......4823759.......37451727

%C ......10447......112362.......756338.......5883499......45689226......361569647

%C ......80391......756338......5257444......39646479.....315429190.....2404876738

%C .....622031.....5883499.....39646479.....316144367....2336174650....18005605178

%C ....4823759....45689226....315429190....2336174650...18962117027...135508809479

%C ...37451727...361569647...2404876738...18005605178..135508809479..1065898305547

%C ..290942303..2777961511..18455232523..133138952807.1017086083917..7515064468455

%C .2260735279.21501371450.141708188218.1021696725403.7592417722506.56550046316647

%H R. H. Hardin, <a href="/A204056/b204056.txt">Table of n, a(n) for n = 1..197</a>

%e Some solutions for n=3 k=3

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

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

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Jan 09 2012

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)