A231323 - OEIS

A231323

Number of (n+1) X (7+1) 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.

%I #6 May 20 2021 12:28:03

%S 645504,1607468544,5132640060000,15154743446853216,

%T 45929855692690790400,138493610465688295961184,

%U 418284029768568825937161600,1263090712888488868089057630816,3814456862436895259545489736740704

%N Number of (n+1) X (7+1) 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 A231324.

%H R. H. Hardin, <a href="/A231323/b231323.txt">Table of n, a(n) for n = 1..26</a>

%e Some solutions for n=1

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

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

%Y Cf. A231324.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 07 2013