A295528 - OEIS

%I #4 Nov 23 2017 09:25:16

%S 12,280,4080,64189,1012315,16031147,253594307,4003959566,63279327977,

%T 1000139739583,15804787030137,249762291976009,3947048440634688,

%U 62375786616766976,985731805754249812,15577646241372914358

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

%C Column 5 of A295531.

%H R. H. Hardin, <a href="/A295528/b295528.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. .1..0..0..0..0

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

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

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

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

%Y Cf. A295531.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2017