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A248452 Number of length 4+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum 1

%I #4 Oct 06 2014 18:48:41

%S 136,7116,133872,1166348,6729772,29135376,102662460,309407104,

%T 826209396,2001072604,4474375652,9359308356,18502642052,34848697904,

%U 62937664056,109564592568,184647595344,302339038260,482432513584,752123193756

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

%C Row 4 of A248448

%H R. H. Hardin, <a href="/A248452/b248452.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=3

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 06 2014

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Last modified August 17 11:18 EDT 2024. Contains 375209 sequences. (Running on oeis4.)