A299745 - OEIS

%I #4 Feb 18 2018 10:21:06

%S 64,7181,235033,8918662,353167830,13855907809,543386033722,

%T 21367169090398,840301228632106,33043973487074305,1299576193014820884,

%U 51112591346878150219,2010269848883302227295,79064794674947950235225

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299746.

%H R. H. Hardin, <a href="/A299745/b299745.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299746.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 18 2018