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A205438 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order 1

%I

%S 108173,31378965,14089784418,6789317584699,3300774182686057,

%T 1606623426666766016,782131966561958879310,380763362978291361279362,

%U 185366619385244895663595976,90241868748566904487116158823

%N Number of (n+1)X7 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order

%C Column 6 of A205440

%H R. H. Hardin, <a href="/A205438/b205438.txt">Table of n, a(n) for n = 1..17</a>

%e Some solutions for n=4

%e ..0..1..1..2..1..2..3....0..1..1..2..2..0..1....0..0..0..0..0..0..0

%e ..0..1..2..2..1..2..2....3..3..0..0..3..3..3....0..0..0..0..0..0..0

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

%e ..0..0..0..1..0..1..2....1..3..0..0..3..3..3....0..0..0..0..0..0..0

%e ..1..0..1..1..0..1..1....0..3..1..2..2..1..2....0..0..0..0..0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 27 2012

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Last modified March 26 18:38 EDT 2023. Contains 361552 sequences. (Running on oeis4.)