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A298053 Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 11 2018 07:19:25

%S 5,49,34,141,231,512,780,1577,3162,6228,12289,24231,47917,95955,

%T 187945,374818,743024,1477074,2928956,5839339,11579457,23039070,

%U 45786076,91055211,180969990,360008076,715728819,1423402113,2830545436,5629547006

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

%C Column 6 of A298055.

%H R. H. Hardin, <a href="/A298053/b298053.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298055.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2018

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Last modified March 29 11:44 EDT 2024. Contains 371278 sequences. (Running on oeis4.)