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A300610 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Mar 09 2018 17:34:16

%S 5,307,7514,164619,3567928,77669371,1693172810,36914891724,

%T 804586936082,17537173958121,382249401338563,8331719492001836,

%U 181602790092449140,3958314803988352629,86277618337703468741,1880554677657702819865

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

%C Column 6 of A300612.

%H R. H. Hardin, <a href="/A300610/b300610.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300612.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 09 2018

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Last modified March 28 04:55 EDT 2024. Contains 371235 sequences. (Running on oeis4.)