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A297887 Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 07 2018 16:31:16

%S 32,137,67,134,162,253,264,437,656,942,1308,2254,3113,4698,7376,11228,

%T 17233,26591,41309,63296,98561,153605,238257,370604,578626,900194,

%U 1404705,2196541,3430179,5356918,8373173,13095939,20485633,32064268

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

%C Column 6 of A297889.

%H R. H. Hardin, <a href="/A297887/b297887.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A297889.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 07 2018

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Last modified April 20 02:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)