|
%I #4 Apr 23 2018 10:44:02
%S 0,162,2327,3256,21361,236326,1716995,8688851,56229035,428784791,
%T 3021617644,19058753004,128800589241,899664264951,6188584855591,
%U 41513163165807,282748964373121,1940464266658865,13278427810584311
%N Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Row 6 of A303410.
%H R. H. Hardin, <a href="/A303413/b303413.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..1..0..1..1. .0..0..1..0..0. .0..0..1..0..0
%e ..0..0..0..0..0. .1..0..1..0..0. .1..0..1..1..0. .1..0..1..1..1
%e ..1..1..1..1..1. .1..1..1..1..1. .1..1..0..0..0. .0..1..1..0..0
%e ..1..0..1..0..1. .0..0..1..0..0. .0..0..1..0..0. .1..0..1..0..1
%e ..1..1..0..1..1. .1..0..1..0..1. .1..0..1..1..0. .1..0..1..1..1
%e ..0..0..1..0..0. .1..1..1..1..1. .1..1..1..0..1. .0..1..0..0..1
%Y Cf. A303410.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 23 2018
| 