A299552 - OEIS

%I #4 Feb 12 2018 20:25:53

%S 0,41,752,17565,621694,19604624,648002718,21337630973,704140369456,

%T 23261634737704,768519314170011,25395763400048874,839234030698101935,

%U 27734287101696482836,916548572558741234037,30289757269264885126830

%N Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299554.

%H R. H. Hardin, <a href="/A299552/b299552.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299554.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 12 2018