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A302887 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 15 2018 10:48:50

%S 1,168,818,12782,200186,3452246,60501563,1073161270,19073141368,

%T 339253565677,6036219398919,107408100263993,1911291205759074,

%U 34011097898139499,605224662587072998,10769933859504334253

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

%C Column 6 of A302889.

%H R. H. Hardin, <a href="/A302887/b302887.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..1..1..0..0..0. .0..0..0..1..1..0. .0..0..0..1..1..1

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

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

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

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

%Y Cf. A302889.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 15 2018

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)