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Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 25 2018 12:43:15

%S 16,21,95,340,1758,13031,87730,569770,4036330,30394943,222697188,

%T 1602691484,11764661177,87557106997,645627405743,4729643084580,

%U 34840151966126,257693611496166,1900371011202758,13983289362523029

%N Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 5 of A303525.

%H R. H. Hardin, <a href="/A303528/b303528.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303525.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 25 2018