A299385 - OEIS

%I #4 Feb 09 2018 08:07:00

%S 16,69,43,130,310,531,1112,2418,4870,10382,21883,45941,97484,204397,

%T 432984,915784,1929345,4098962,8675279,18342196,38944326,82528821,

%U 174907170,371240287,787364315,1670084997,3544811592,7522073111

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299388.

%H R. H. Hardin, <a href="/A299385/b299385.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A299388.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 09 2018