%I #3 Jan 26 2015 20:41:54
%S 4,11,47,195,898,4353,22189,112015,542397,2658643,13811570,74759723,
%T 402860778,2116039998,11034558825,58963729401,324783927568,
%U 1798939119729,9744887456018,51258432916302,268071351841619,1461410535224478
%N Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime
%C Column 6 of A254204
%e Some solutions for n=4
%e ..8....4....8....4....8....6....6....6....1....8....4....4....8....1....8....4
%e ..4....4....6....8....8....2....3....6....3....4....4....5....6....5....1....2
%e ..6....2....2....4....4....6....7....8....4....6....8....3....7....2....3....6
%e ..4....6....4....6....8....8....8....1....8....6....4....6....1....8....6....8
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 26 2015