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A247991 Number of length n+5 0..4 arrays with no disjoint triples in any consecutive six terms having the same sum 1

%I #4 Sep 28 2014 22:39:49

%S 9080,27800,86736,274204,874884,2808970,9057366,29402376,95651698,

%T 311754322,1017637134,3325735912,10879733046,35643742950,116854360230,

%U 383346751676,1258285012250,4131901535732,13572720451844,44601455425346

%N Number of length n+5 0..4 arrays with no disjoint triples in any consecutive six terms having the same sum

%C Column 4 of A247995

%H R. H. Hardin, <a href="/A247991/b247991.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0....2....0....2....4....1....0....0....2....3....3....2....0....1....4....4

%e ..2....2....0....4....0....1....4....2....0....0....0....2....4....3....3....2

%e ..3....2....1....4....3....3....3....0....4....0....4....0....0....1....2....0

%e ..0....0....1....1....3....3....3....3....0....4....1....3....2....0....0....1

%e ..1....2....4....0....1....1....4....0....0....0....3....4....2....3....2....1

%e ..3....2....0....4....2....0....3....2....3....4....0....0....3....3....2....1

%e ..2....2....3....0....4....3....4....4....0....2....4....2....4....0....0....4

%e ..0....3....2....0....2....1....0....4....2....1....0....4....4....4....1....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 28 2014

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)