A222586 - OEIS

A222586

Number of n X 6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.

%I #6 Aug 26 2022 15:18:15

%S 14,200,4790,128213,3778560,120603073,4091063379,143156705294,

%T 5118550268413,185282388086575,6763852355780438,248203088995170330,

%U 9144018841491035138,337809884604604139979,12507948080012427636427

%N Number of n X 6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.

%C Column 6 of A222587.

%H R. H. Hardin, <a href="/A222586/b222586.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A222587.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 25 2013