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Number of (n+1)X(7+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order
1

%I #4 Nov 09 2013 06:51:19

%S 48,1829,203544,19926254,2112748453,223553038538,23670993512633,

%T 2509129826716639,265986112581367600,28196049276180593658,

%U 2988957606120198547367,316849068696684621591471

%N Number of (n+1)X(7+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order

%C Column 7 of A231451

%H R. H. Hardin, <a href="/A231450/b231450.txt">Table of n, a(n) for n = 1..110</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 09 2013