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A297754 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s. 1

%I

%S 1,123,4344,29773,290114,6379211,116064732,1513886975,21770613982,

%T 360581868887,5740308678921,86254442205268,1321260365864919,

%U 20730220196496664,322671941879842897,4973758804599559075

%N Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.

%C Row 6 of A297749.

%H R. H. Hardin, <a href="/A297754/b297754.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A297749.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 05 2018

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Last modified May 16 17:38 EDT 2022. Contains 353719 sequences. (Running on oeis4.)