A299049 - OEIS

%I #4 Feb 01 2018 14:21:26

%S 8,50,79,1650,9994,82340,953445,8956381,86708195,930107134,9283822089,

%T 93868491793,972801539169,9876709646807,100715230941566,

%U 1033318335538221,10540518267901855,107677643657416903,1101639196235269011

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299052.

%H R. H. Hardin, <a href="/A299049/b299049.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299052.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 2018