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Number of length n+4 0..3 arrays with some disjoint pairs in every consecutive five terms having the same sum
1

%I #4 Sep 26 2014 21:20:25

%S 824,2760,9248,31092,104692,352744,1189016,4008988,13519544,45597176,

%T 153792912,518737478,1749714774,5901910556,19907726612,67151025042,

%U 226508594218,764042220464,2577213857582,8693283380248,29323606061958

%N Number of length n+4 0..3 arrays with some disjoint pairs in every consecutive five terms having the same sum

%C Column 3 of A247927

%H R. H. Hardin, <a href="/A247922/b247922.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A247922/a247922.txt">Empirical recurrence of order 79</a>

%F Empirical recurrence of order 79 (see link above)

%e Some solutions for n=5

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 26 2014