A299680 - OEIS

%I #4 Feb 16 2018 07:35:12

%S 32,157,506,7279,95471,1247427,16311888,226655504,3113437608,

%T 41809837228,570056836533,7801438087684,105925137297779,

%U 1440713011938471,19644402721962906,267406292450499495,3638814860392154947

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299682.

%H R. H. Hardin, <a href="/A299680/b299680.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299682.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 16 2018