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A306058 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jun 18 2018 07:49:34

%S 32,184,526,2168,16833,99928,513811,3086539,18841620,107600141,

%T 620569652,3677697287,21538095731,125066191568,731799182359,

%U 4288741766057,25039445198605,146247552076704,855504338243757,5001421011839795

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A306060.

%H R. H. Hardin, <a href="/A306058/b306058.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A306060.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 18 2018

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)