login
Number of (n+1)X(7+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
2

%I #4 Nov 04 2013 07:13:34

%S 328,16368,924900,50257244,2766762720,151928497692,8349491299560,

%T 458819265958556,25213940794848972,1385606097689928700,

%U 76144709459504461524,4184463747005748346676,229953456825043397843448

%N Number of (n+1)X(7+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order

%C Column 7 of A231131

%H R. H. Hardin, <a href="/A231130/b231130.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 04 2013