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A248002 Number of length 7+5 0..n arrays with no disjoint triples in any consecutive six terms having the same sum 1

%I #4 Sep 28 2014 22:50:33

%S 32,15640,448956,9057366,89060732,716467630,4083208500,20012299980,

%T 80865599600,292391902714,931669433584,2735738178202,7347771066556,

%U 18524809954418,43735006113588,98221704148178,209686764798744

%N Number of length 7+5 0..n arrays with no disjoint triples in any consecutive six terms having the same sum

%C Row 7 of A247995

%H R. H. Hardin, <a href="/A248002/b248002.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=2

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

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

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 28 2014

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Last modified April 25 07:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)