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A280159 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1

%I

%S 8,92,950,7628,58852,434790,3138340,22348406,157294986,1097158250,

%T 7598014364,52296147282,358119530526,2441393217986,16579221466148,

%U 112199621622362,756987753165838,5093205986747148,34183505883347834

%N Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A280161.

%H R. H. Hardin, <a href="/A280159/b280159.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A280161.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 27 2016

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Last modified September 19 17:35 EDT 2021. Contains 347564 sequences. (Running on oeis4.)