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A302270 Number of 6 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 32,2048,23516,353229,4608075,64975832,893462062,12314612510,

%T 170772674650,2358411011162,32642910388558,451854951125666,

%U 6252677767027315,86568880314498494,1198444427129769914

%N Number of 6 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302265.

%H R. H. Hardin, <a href="/A302270/b302270.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5:

%e 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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

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

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

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

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

%Y Cf. A302265.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 04 2018

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Last modified May 27 08:12 EDT 2022. Contains 354096 sequences. (Running on oeis4.)