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A299935 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 22 2018 07:19:01

%S 5,888,43375,1858165,82403876,3664429516,162678451993,7222553677769,

%T 320673103163046,14237519973916087,632129375743496669,

%U 28065811608213509804,1246089508381182139546,55324930291331202023204

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299937.

%H R. H. Hardin, <a href="/A299935/b299935.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299937.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 22 2018

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)