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Number of (n+2)X(4+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order
1

%I #4 Dec 26 2014 12:33:20

%S 50571,802899,12647772,199953846,3170197872,50259172356,797070583521,

%T 12643671566241,200567370213594,3181733456490459,50474910281438925,

%U 800736037603303626,12702959834316206535,201521446271002086849

%N Number of (n+2)X(4+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order

%C Column 4 of A253035

%H R. H. Hardin, <a href="/A253032/b253032.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A253032/a253032.txt">Empirical recurrence of order 72</a>

%F Empirical recurrence of order 72 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 26 2014