%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