A316174 - OEIS

%I #6 Sep 03 2022 20:49:41

%S 5,165,275,1425,16382,139293,976178,10070845,106916450,940552189,

%T 9427846511,97133544266,921364907534,9174764637564,92281143777788,

%U 898909422553052,8922081474393783,88846288226326709,874027451675485140

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

%C Column 6 of A316176.

%H R. H. Hardin, <a href="/A316174/b316174.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316176.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 25 2018