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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 02 2018 08:05:42

%S 64,3440,21484,173524,1598956,14514670,129999453,1166134994,

%T 10493701031,94438101000,849751415904,7648233297772,68841581935753,

%U 619625217826871,5577260749794146,50202038501971691,451878831715700135

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299089.

%H R. H. Hardin, <a href="/A299088/b299088.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299089.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 02 2018