A280396 - OEIS

%I #4 Jan 02 2017 10:43:20

%S 14,76,2432,78540,2366358,68842232,1958524652,54763698930,

%T 1510604213832,41217398832370,1114647477686056,29920032719159886,

%U 798082603602737708,21173055142435829418,559088423986703320232,14702530200374705949828

%N Number of nX6 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A280398.

%H R. H. Hardin, <a href="/A280396/b280396.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A280396/a280396.txt">Empirical recurrence of order 64</a>

%F Empirical recurrence of order 64 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A280398.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 02 2017