%I #4 Jan 26 2015 20:45:07
%S 0,6,9,54,59,195,315,676,786,1571,1743,3055,4150,6173,6771,10272,
%T 11043,15676,19401,25430,27112,36782,43100,54658,63832,78460,83191,
%U 105054,110008,132262,150922,178462,201003,239821,249418,289635,323607,372848
%N Number of length 4 1..(n+2) arrays with no leading or trailing partial sum equal to a prime
%C Row 4 of A254204
%H R. H. Hardin, <a href="/A254207/b254207.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..4....6....1....6....4....4....6....4....4....4....1....6....6....1....6....6
%e ..2....4....3....6....2....4....6....6....2....6....5....3....4....5....2....6
%e ..2....2....5....4....2....4....3....4....4....2....6....3....2....4....4....2
%e ..4....6....1....6....6....4....1....4....6....4....4....6....4....6....4....6
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 26 2015