A298838 - OEIS

A298838

Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%I #4 Jan 27 2018 07:47:44

%S 0,17,127,1045,18075,242872,3570731,52303834,766622466,11271546283,

%T 165665212660,2435912683020,35819238408346,526724402976581,

%U 7745695689623062,113904017404740204,1675017069147795397

%N Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298841.

%H R. H. Hardin, <a href="/A298838/b298838.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

%Y Cf. A298841.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 27 2018