A305520 - OEIS

%I #4 Jun 04 2018 11:54:48

%S 16,512,10082,186237,3536750,66949063,1269418258,24080732454,

%T 456869647792,8669106351850,164501969899649,3121616742992729,

%U 59236894351198887,1124106233985029726,21331602801233941787

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

%C Column 5 of A305523.

%H R. H. Hardin, <a href="/A305520/b305520.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A305520/a305520.txt">Empirical recurrence of order 58</a>

%F Empirical recurrence of order 58 (see link above)

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

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

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

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

%Y Cf. A305523.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 04 2018