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A279923 Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1

%I #4 Dec 23 2016 08:19:23

%S 3,142,14281,1230799,99427182,7837914954,601248781220,45231133438998,

%T 3348526427263799,244650217481299630,17677455777661411625,

%U 1265259778269055650555,89821449423672575925643

%N Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 4 of A279925.

%H R. H. Hardin, <a href="/A279923/b279923.txt">Table of n, a(n) for n = 1..58</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A279925.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 23 2016

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)