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A232364 Number of nX4 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically 1

%I

%S 15,887,39321,1704619,74665511,3271362341,143280358783,6275473692531,

%T 274859698649841,12038586622802263,527278170826443931,

%U 23094261763297231417,1011505808556752689163,44302953319140331180267

%N Number of nX4 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically

%C Column 4 of A232368

%H R. H. Hardin, <a href="/A232364/b232364.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A232364/a232364.txt">Empirical recurrence of order 60</a>

%F Empirical recurrence of order 60 (see link above)

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013

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Last modified January 20 23:47 EST 2021. Contains 340332 sequences. (Running on oeis4.)