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 A304154 Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 1

%I #4 May 07 2018 09:03:19

%S 0,209,464,10182,100942,1100030,12806826,145611915,1634366796,

%T 18705511944,212059052175,2407657052300,27373214633586,

%U 310882017371350,3531677134837950,40125778624890437,455828883517634560

%N Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

%C Column 6 of A304156.

%H R. H. Hardin, <a href="/A304154/b304154.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304156.

%K nonn

%O 1,2

%A _R. H. Hardin_, May 07 2018

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Last modified December 10 12:10 EST 2023. Contains 367710 sequences. (Running on oeis4.)