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 A281718 Number of 4Xn 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. 1

%I

%S 8,6,14,97,294,1410,5781,23798,103034,429701,1822286,7734672,32650303,

%T 138610834,587182558,2488856940,10558553240,44771374413,189944049261,

%U 805892553288,3419413103710,14511303192013,61585052285760

%N Number of 4Xn 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 4 of A281715.

%H R. H. Hardin, <a href="/A281718/b281718.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A281718/a281718.txt">Empirical recurrence of order 72</a>

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

%e Some solutions for n=4

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

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

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

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

%Y Cf. A281715.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 28 2017

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Last modified December 2 20:25 EST 2021. Contains 349445 sequences. (Running on oeis4.)