A282373 - OEIS

%I #4 Feb 13 2017 11:07:56

%S 0,6,309,6244,119390,2131096,36258678,594236950,9502175342,

%T 149094022594,2303609997650,35156424933146,531063422607186,

%U 7952651367000598,118206136820451322,1745636429854447262,25632755261397583238

%N Number of nX4 0..1 arrays with no 1 equal to more than four of its king-move neighbors, with the exception of exactly two elements.

%C Column 4 of A282377.

%H R. H. Hardin, <a href="/A282373/b282373.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A282373/a282373.txt">Empirical recurrence of order 54</a>

%F Empirical recurrence of order 54 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A282377.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 13 2017