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A297524 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s. 1

%I #4 Dec 31 2017 09:58:41

%S 1,123,2445,16173,134123,1995817,25184119,253060180,2699712781,

%T 31854290493,365376809383,4016844547274,44697066555161,

%U 506502839719527,5708954680478155,63850099140551870,715789920989332820

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

%C Row 6 of A297519.

%H R. H. Hardin, <a href="/A297524/b297524.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A297519.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 31 2017

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)