A299573 - OEIS

%I #4 Feb 13 2018 11:18:22

%S 8,99,265,2604,15186,98466,784334,5286269,38000347,284230090,

%T 2051573350,14950291108,109832491470,803426382382,5878134712447,

%U 43048043062611,315285104003507,2308919465099361,16907767561351784,123830707564196302

%N Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299574.

%H R. H. Hardin, <a href="/A299573/b299573.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

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

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

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

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

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

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

%Y Cf. A299574.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 13 2018