|
%I #4 Jan 15 2018 14:58:39
%S 0,13,7,72,238,895,3335,13980,55889,230402,953813,3957108,16359243,
%T 67815820,280896101,1164014899,4823739307,19992787735,82860456229,
%U 343442251791,1423487855696,5900154785814,24455403244104,101365322534618
%N Number of nX6 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Column 6 of A298259.
%H R. H. Hardin, <a href="/A298257/b298257.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=8
%e ..0..0..1..1..1..1. .0..0..0..0..1..1. .0..0..1..1..1..1. .0..0..1..1..0..0
%e ..0..1..0..0..0..1. .0..1..1..0..0..1. .0..1..1..0..0..1. .0..1..1..0..1..0
%e ..1..0..1..1..1..0. .1..0..1..1..1..0. .0..1..0..1..1..0. .1..0..0..0..1..0
%e ..1..1..0..0..0..1. .1..0..0..0..0..1. .0..1..0..0..1..0. .1..1..1..1..0..0
%e ..1..0..1..1..0..1. .0..1..1..1..0..1. .0..1..1..0..1..0. .0..0..0..0..1..0
%e ..1..0..0..1..0..1. .0..0..1..0..1..1. .0..0..1..0..1..0. .0..1..1..1..1..0
%e ..0..1..1..1..1..0. .1..1..0..1..1..0. .1..0..1..0..1..0. .1..0..0..0..0..1
%e ..0..0..0..0..0..0. .1..0..0..0..0..0. .1..1..0..1..0..0. .1..1..1..1..1..1
%Y Cf. A298259.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 15 2018
| 