A204950 - OEIS

%I #5 Mar 31 2012 12:37:03

%S 242852,4566666,94983268,1616210763,33301704234,691810208216,

%T 13020576504578,263790704809901,5371358916401630,104618583626956845,

%U 2101362288613315951,42349487423534501630,836505454550051062470

%N Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..2 introduced in row major order

%C Column 4 of A204954

%H R. H. Hardin, <a href="/A204950/b204950.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 20 2012