%I #4 Jan 09 2018 07:55:51
%S 3,23,47,233,681,2596,11623,39801,149442,616286,2335635,8904387,
%T 34861648,135228611,521631430,2019356359,7839971399,30360460809,
%U 117476386060,455396350820,1764702754346,6833651832659,26474646322752,102580295118751
%N Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
%C Column 5 of A297959.
%H R. H. Hardin, <a href="/A297956/b297956.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=7
%e ..0..0..1..0..1. .0..0..0..0..0. .0..1..1..0..1. .0..0..1..0..0
%e ..1..1..0..1..0. .1..1..1..1..1. .0..1..0..0..1. .1..0..1..0..1
%e ..1..0..1..0..1. .0..1..1..1..0. .1..1..0..0..0. .1..0..0..1..0
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..1..1
%e ..1..1..0..1..1. .0..0..1..0..0. .1..0..1..0..0. .1..1..0..0..0
%e ..0..1..0..1..0. .1..0..1..1..0. .0..1..0..0..1. .0..1..0..0..1
%e ..0..1..1..1..0. .1..1..1..1..1. .1..0..1..1..0. .1..0..1..0..1
%Y Cf. A297959.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 09 2018