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A302283 Number of 6 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #7 Apr 05 2018 04:08:45

%S 0,162,942,941,3854,15862,72083,229708,713848,2948380,12041624,

%T 42878033,150037123,568430873,2213341390,8198208076,29843299672,

%U 111484320586,422946390276,1581927104188,5856632633328,21841388005545,82061911191197

%N Number of 6 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302278.

%H R. H. Hardin, <a href="/A302283/b302283.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5:

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

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

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

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

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

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

%Y Cf. A302278.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 04 2018

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)