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%I #7 Jan 27 2015 18:01:57
%S 5,12,48,168,766,3720,18214,81428,362910,1828848,9781293,49824190,
%T 241134125,1198202218,6489872942,36558663886,196996500006,
%U 982525116524,4694315336320,23819615009274,140719786602875,913403203820358,5715151962243604,32271875770787666
%N Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.
%e Some solutions for n=4:
%e ..6....4....4....6....4....8....4....4....1....4....1....8....1....4....9....6
%e ..8....8....6....9....6....2....2....8....3....2....8....1....5....8....3....4
%e ..2....2....2....3....5....5....3....3....5....3....5....6....6....4....4....5
%e ..4....6....8....9....9....1....1....9....1....9....1....9....4....8....8....1
%Y Column k=7 of A254218.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 26 2015
%E a(19)-a(24) from _Alois P. Heinz_, Jan 27 2015
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