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A247931 Number of length 4+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum 1

%I #4 Sep 26 2014 21:30:45

%S 256,3649,31092,157589,552708,1551533,3785236,8185797,16336592,

%T 29964505,51882716,85160905,134184772,203205957,298757712,427405305,

%U 597735952,817776021,1099449280,1455028945,1897411468,2442220549,3107178892

%N Number of length 4+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum

%C Row 4 of A247927

%H R. H. Hardin, <a href="/A247931/b247931.txt">Table of n, a(n) for n = 1..70</a>

%e Some solutions for n=4

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

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

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

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

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

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

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

%e ..2....2....2....4....2....4....1....1....4....4....1....0....0....2....4....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 26 2014

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)