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A298137 Number of nX6 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 13 2018 11:13:51

%S 0,13,3,68,242,917,3417,14533,58845,244155,1024766,4297121,17950575,

%T 75199021,314755111,1317874937,5519233903,23115442566,96811939884,

%U 405493370013,1698383143180,7113695019637,29796021993208,124802553668569

%N Number of nX6 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298139.

%H R. H. Hardin, <a href="/A298137/b298137.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A298139.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 13 2018

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)