A281799 - OEIS

%I #4 Jan 30 2017 10:39:07

%S 3,157,1725,12318,71445,368408,1770697,8100180,35778250,153961577,

%T 648808393,2688490346,10985899831,44366461753,177379460528,

%U 703023818561,2765216924694,10803620128490,41957868667589,162081268856114

%N Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A281802.

%H R. H. Hardin, <a href="/A281799/b281799.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A281799/a281799_1.txt">Empirical recurrence of order 72</a>

%F Empirical recurrence of order 72 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A281802.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 30 2017