A304595 - OEIS

%I #4 May 15 2018 13:18:18

%S 5,1145,10949,211833,3512756,57480334,957716506,15998181972,

%T 265138740428,4413455701995,73417070849907,1220566444991947,

%U 20300879994693879,337625187378889063,5614703133565778615,93377414300017287376

%N Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

%C Column 6 of A304597.

%H R. H. Hardin, <a href="/A304595/b304595.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304597.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 15 2018