A295094 - OEIS

%I #4 Nov 14 2017 11:15:32

%S 6,55,377,2859,21185,158361,1182050,8806229,65681168,489881002,

%T 3653247015,27243826263,203174609491,1515201570870,11299733962485,

%U 84268754243729,628442480251730,4686669295204890,34951271585401256

%N Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 3 1s.

%C Column 5 of A295097.

%H R. H. Hardin, <a href="/A295094/b295094.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A295097.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 14 2017