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 A241107 Number of nX7 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

%S 32,1216,40418,1333934,44030862,1454236806,48054344508,1586763763374,

%T 52415988665902,1731396543937826,57192293520907518,

%U 1889201414043365704,62405079297467322902,2061398474689109752446,68093252520609897541958

%N Number of nX7 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 7 of A241108

%H R. H. Hardin, <a href="/A241107/b241107.txt">Table of n, a(n) for n = 1..58</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2014

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Last modified November 27 01:16 EST 2021. Contains 349344 sequences. (Running on oeis4.)