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Number of length n+5 0..3 arrays with no disjoint triples in any consecutive six terms having the same sum
1

%I #4 Sep 28 2014 22:39:07

%S 2292,5316,12612,30404,74132,182084,448956,1112546,2766188,6890602,

%T 17179596,42841392,106825864,266521044,665344430,1661532548,

%U 4149517110,10361716506,25869860808,64591142518,161291903076,402808477958

%N Number of length n+5 0..3 arrays with no disjoint triples in any consecutive six terms having the same sum

%C Column 3 of A247995

%H R. H. Hardin, <a href="/A247990/b247990.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 28 2014