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Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.
1

%I #4 Nov 26 2017 09:26:33

%S 32,768,17364,396571,9056598,206899873,4725935539,107948235688,

%T 2465745246117,56322260300901,1286505942594101,29386209614393802,

%U 671236168726966901,15332293523212735036,350218351851283272012

%N Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.

%C Column 5 of A295716.

%H R. H. Hardin, <a href="/A295713/b295713.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A295713/a295713.txt">Empirical recurrence of order 76</a>

%F Empirical recurrence of order 76 (see link above)

%e Some solutions for n=3

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

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

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

%Y Cf. A295716.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 26 2017