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Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 18 2018 12:41:14

%S 0,111,2869,49534,1138331,25372284,568099880,12700233541,284202349097,

%T 6359037680577,142285824095768,3183697496083230,71236519396617958,

%U 1593945862977398560,35665181412067143397,798022847623306938661

%N Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 5 of A303102.

%H R. H. Hardin, <a href="/A303105/b303105.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. .0..0..0..0..0

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

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

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

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

%Y Cf. A303102.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 18 2018