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A298968 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 30 2018 13:30:17

%S 32,2048,80972,3740381,170137416,7785598672,356356552103,

%T 16312003284843,746698046920333,34181115229827771,1564687555985990215,

%U 71625762302968232113,3278769787462125741510,150090290173413011810518

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298970.

%H R. H. Hardin, <a href="/A298968/b298968.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298970.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 30 2018

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Last modified September 14 21:48 EDT 2024. Contains 375929 sequences. (Running on oeis4.)