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Number of nX6 binary matrices with no two 1's adjacent diagonally or antidiagonally
1

%I #3 Mar 31 2012 12:35:49

%S 64,441,9025,104976,1630729,21836929,315701824,4388400025,62249751001,

%T 873880953856,12333757683025,173597094140625,2446840043215936,

%U 34462915406893801,485580777431805169,6840488501157755536

%N Number of nX6 binary matrices with no two 1's adjacent diagonally or antidiagonally

%C Column 6 of A181212

%H R. H. Hardin, <a href="/A181210/b181210.txt">Table of n, a(n) for n=1..100</a>

%F Empirical: a(n)=15*a(n-1)+52*a(n-2)-1045*a(n-3)+803*a(n-4)+17330*a(n-5)-30225*a(n-6)-98253*a(n-7)+228176*a(n-8)+160607*a(n-9)-559589*a(n-10)+6282*a(n-11)+499824*a(n-12)-154008*a(n-13)-117936*a(n-14)+46656*a(n-15)

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 10 2010