A299679 - OEIS

%I #4 Feb 16 2018 07:34:33

%S 16,73,147,1477,13369,95471,757628,6503333,52948378,426047595,

%T 3528500325,29071843419,237176003298,1947347309360,16015570766581,

%U 131274778981318,1076766576237292,8842169127135695,72554687996461267,595249994019276636

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299682.

%H R. H. Hardin, <a href="/A299679/b299679.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299682.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 16 2018