A299395 - OEIS

%I #4 Feb 09 2018 08:17:01

%S 3,216,3641,51588,755157,11246136,166665723,2469920505,36615834468,

%T 542797653154,8046349219048,119279373422289,1768202623408898,

%U 26211884864284823,388565850086360611,5760113906084267029

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299398.

%H R. H. Hardin, <a href="/A299395/b299395.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

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

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

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

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

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

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

%Y Cf. A299398.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 09 2018