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Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Aug 24 2018 11:10:37

%S 8,11,21,29,62,136,279,624,1344,2941,6444,14202,31437,69791,155037,

%T 344892,766957,1706073,3794544,8440354,18771770,41756133,92878060,

%U 206605597,459593314,1022399772,2274386877,5059572712,11255394242

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A318350.

%H R. H. Hardin, <a href="/A318347/b318347.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A318350.

%K nonn

%O 1,1

%A _R. H. Hardin_, Aug 24 2018