A299841 - OEIS

%I #4 Feb 20 2018 08:22:20

%S 16,472,5331,74329,1056001,14831535,209649848,2971226455,42097006186,

%T 596526787685,8454492533253,119826852240928,1698328146207403,

%U 24070942377613023,341166207500629267,4835474041353102352

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299844.

%H R. H. Hardin, <a href="/A299841/b299841.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299844.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 20 2018