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A302532 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 09 2018 09:28:06

%S 0,162,2086,3256,17546,182773,1275348,5557469,29725028,219531538,

%T 1417475683,7594793077,44320481404,286609212983,1773676415155,

%U 10321010368540,61768196817718,382689525785694,2335752911548794

%N Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302528.

%H R. H. Hardin, <a href="/A302532/b302532.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A302528.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 09 2018

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Last modified August 6 14:16 EDT 2024. Contains 374974 sequences. (Running on oeis4.)