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 A240891 Number of nX6 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order 1

%I #4 Apr 14 2014 06:36:51

%S 16,376,7609,154858,3146755,64074526,1302610899,26501432610,

%T 539075345618,10966382557858,223082242117552,4538081394098364,

%U 92316133808933027,1877950089801487198,38202362639765816422,777135231123406032012

%N Number of nX6 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order

%C Column 6 of A240893

%H R. H. Hardin, <a href="/A240891/b240891.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 14 2014

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Last modified August 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)