A281719 - OEIS

%I #4 Jan 28 2017 13:49:15

%S 16,9,17,245,937,6417,37781,214045,1321909,7709401,45858679,274481652,

%T 1621718293,9681714758,57586120717,342417879408,2040527424639,

%U 12140992057625,72295270999213,430542760825365,2563358199717255

%N Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

%C Row 5 of A281715.

%H R. H. Hardin, <a href="/A281719/b281719.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A281715.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 28 2017