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 A247539 Number of length 7+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum 1

%I

%S 8,217,1732,6495,16932,34695,62108,103013,156308,227701,316236,428111,

%T 559992,721175,905784,1123897,1368584,1654573,1970964,2330611,2725864,

%U 3169687,3650720,4190997,4769280,5406141,6091708,6842051,7638868,8509583

%N Number of length 7+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum

%C Row 7 of A247533

%H R. H. Hardin, <a href="/A247539/b247539.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 18 2014

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)