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A241106 Number of nX6 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order 1

%I #5 Aug 11 2014 22:46:11

%S 16,376,7846,162776,3374086,70145916,1454236806,30189380016,

%T 626548445696,13004327687556,269904513767276,5601924832399656,

%U 116268494681555446,2413172096267222836,50085748850277170776,1039537719846439186376

%N Number of nX6 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order

%C Column 6 of A241108

%H R. H. Hardin, <a href="/A241106/b241106.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A241106/a241106.txt">Empirical recurrence of order 76</a>

%F Empirical recurrence of order 76 (see link above)

%e Some solutions for n=4

%e ..0..1..0..1..2..0....0..1..0..1..2..1....0..1..0..2..1..1....0..1..0..2..0..1

%e ..1..0..1..2..1..2....1..0..1..2..1..2....1..0..1..0..1..1....2..0..2..0..2..0

%e ..0..1..2..0..2..0....0..2..0..1..0..0....0..1..0..2..0..2....0..2..0..1..0..2

%e ..1..2..0..2..1..2....2..0..1..2..0..0....2..0..2..1..2..0....2..0..2..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2014

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Last modified April 19 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)