%I #4 Feb 10 2018 10:44:15
%S 2,52,226,1013,5294,27639,139226,713421,3674765,18853673,96786807,
%T 497418193,2555599511,13129374671,67461650707,346631157067,
%U 1781036709459,9151338992559,47021631140929,241607368725137,1241433013500699
%N Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
%C Column 4 of A299465.
%H R. H. Hardin, <a href="/A299461/b299461.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A299461/a299461.txt">Empirical recurrence of order 69</a>
%F Empirical recurrence of order 69 (see link above)
%e Some solutions for n=6
%e ..0..0..1..0. .0..1..0..0. .0..0..0..1. .0..1..0..1. .0..0..1..1
%e ..1..1..1..0. .0..1..1..1. .0..0..0..1. .1..0..1..1. .1..0..0..0
%e ..0..0..0..0. .1..1..1..1. .0..0..0..1. .0..0..0..0. .1..0..0..0
%e ..0..1..1..1. .0..1..1..1. .0..0..0..0. .1..1..1..1. .1..0..0..0
%e ..0..1..1..1. .0..1..0..0. .0..0..0..1. .1..1..1..1. .0..0..0..0
%e ..0..1..1..1. .0..0..1..1. .1..1..1..0. .1..1..1..1. .0..1..1..1
%Y Cf. A299465.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 10 2018