A281934 - OEIS

A281934

Number of nX6 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%I #4 Feb 02 2017 08:22:50

%S 0,166,31410,1488168,60084175,2098456730,66997966477,2020027689730,

%T 58434162686355,1637903530180186,44791173913543967,

%U 1200802011978402848,31669820213104609476,823877680347705496354,21184217308519554802417

%N Number of nX6 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A281936.

%H R. H. Hardin, <a href="/A281934/b281934.txt">Table of n, a(n) for n = 1..108</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A281936.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 02 2017