A254224 - OEIS

%I #4 Jan 26 2015 21:06:34

%S 0,2,15,383,633,6490,18214,60168,97089,296955,420163,1046085,1799943,

%T 3545675,4664339,9251052,11630683,20703803,29730723,47075466,56991009,

%U 93151404,122440340,182865306,239287220,341720757,401640735,596658745

%N Number of length 7 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal

%C Row 7 of A254218

%H R. H. Hardin, <a href="/A254224/b254224.txt">Table of n, a(n) for n = 1..67</a>

%e Some solutions for n=4

%e ..4....6....6....4....1....6....4....4....6....6....6....1....6....1....4....4

%e ..5....2....3....5....3....2....6....2....2....4....2....3....4....3....6....6

%e ..3....4....5....3....4....4....4....4....6....2....6....6....5....2....2....4

%e ..6....2....6....4....2....2....2....2....4....3....4....4....3....4....4....2

%e ..4....6....4....5....6....1....6....4....6....6....6....2....4....2....6....4

%e ..2....5....2....3....2....3....3....5....2....3....4....6....2....4....4....2

%e ..6....1....4....6....4....6....1....1....4....6....6....4....6....6....6....4

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 26 2015