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A302951 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 16 2018 11:39:48

%S 5,601,26167,1248691,58679318,2766909379,130376252119,6144174797769,

%T 289545909430332,13644990905908379,643026310546264490,

%U 30302906917975958719,1428038216826276687258,67296948235600838750918

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A302953.

%H R. H. Hardin, <a href="/A302951/b302951.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302953.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2018

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Last modified May 9 17:14 EDT 2024. Contains 372354 sequences. (Running on oeis4.)