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A299842 Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #6 Mar 08 2023 12:30:08

%S 32,1841,30535,664377,14831535,325878154,7216925214,160460196001,

%T 3565906147902,79255908181392,1762054243512316,39176135133557632,

%U 871006798482982450,19365460655748184716,430563276032234307086

%N Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299844.

%H R. H. Hardin, <a href="/A299842/b299842.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299844.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 20 2018

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)