|
%I #4 Jun 22 2018 07:35:23
%S 13,61,73,360,1351,4872,21926,106322,512165,2629638,13873297,73471599,
%T 392491829,2118534278,11466963266,62147643139,337671074172,
%U 1837129443591,9999348582462,54454828146544,296687232238381,1616765676240054
%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 6 of A306129.
%H R. H. Hardin, <a href="/A306127/b306127.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0..0. .0..1..1..0..1..1. .0..1..1..0..0..0. .0..0..1..1..1..1
%e ..1..0..0..0..0..0. .0..0..1..0..1..0. .0..0..0..0..0..0. .1..0..1..0..1..1
%e ..1..1..0..0..1..0. .1..1..1..1..0..1. .1..1..0..0..0..0. .1..1..1..0..1..0
%e ..1..1..1..0..1..1. .1..0..0..1..0..0. .0..1..0..1..0..0. .1..1..1..1..1..0
%e ..1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..1..1..0. .1..1..1..1..1..1
%Y Cf. A306129.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jun 22 2018
| 