|
%I #4 Jan 24 2018 09:59:30
%S 5,573,1274,4648,18271,75562,291784,1142188,4518674,17656883,69095683,
%T 271751608,1068599426,4200796398,16523613182,65016945420,255906018679,
%U 1007618786294,3968688229186,15635494589187,61614746058306
%N Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 6 of A298653.
%H R. H. Hardin, <a href="/A298651/b298651.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..1..0..1. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..0..1..1..0..0
%e ..1..0..1..1..1..0. .1..0..0..0..1..1. .0..1..0..0..1..0. .1..0..1..1..0..1
%e ..1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1
%e ..1..0..1..1..0..1. .0..1..0..0..0..0. .0..1..0..0..0..1. .0..1..1..1..0..1
%e ..0..1..0..1..1..0. .1..0..1..0..1..1. .1..0..1..0..1..0. .1..0..1..0..1..0
%Y Cf. A298653.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 24 2018
| 