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Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 18 2018 12:24:14

%S 32,10,1512,1054,84474,409478,13375327,170974652,3893734675,

%T 71289930593,1496311061702,30100235172688,624208088551832,

%U 12842477892658295,266147935416358350,5506837456678308359,114163685076018803329

%N Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A303084.

%H R. H. Hardin, <a href="/A303088/b303088.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A303084.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2018

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Last modified September 23 06:29 EDT 2024. Contains 376143 sequences. (Running on oeis4.)