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Number of length n+3 0..6 arrays with no disjoint pairs in any consecutive four terms having the same sum
1

%I #4 Sep 23 2014 06:38:27

%S 1848,10098,55372,303924,1668072,9157806,50284864,276119316,

%T 1516191100,8325624724,45717627824,251044886360,1378538951008,

%U 7569846707486,41567645474272,228256866284008,1253407500305364,6882730399010624

%N Number of length n+3 0..6 arrays with no disjoint pairs in any consecutive four terms having the same sum

%C Column 6 of A247726

%H R. H. Hardin, <a href="/A247724/b247724.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..3....1....5....3....3....1....2....5....0....3....0....5....5....4....1....2

%e ..2....6....1....1....6....0....3....5....0....2....6....6....1....1....5....2

%e ..3....0....6....4....5....6....0....3....4....2....3....0....0....6....2....5

%e ..1....1....1....4....5....2....3....6....1....6....6....4....3....4....1....1

%e ..6....4....3....6....2....5....5....6....4....1....0....6....6....2....1....1

%e ..2....0....2....1....3....5....0....5....0....6....0....3....0....2....1....4

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 23 2014