A254541 - OEIS

%I #4 Feb 01 2015 09:42:20

%S 1,8,15,40,49,105,163,253,307,466,540,768,997,1283,1442,1862,2051,

%T 2562,3053,3627,3936,4749,5465,6368,7230,8270,8848,10189,10805,12187,

%U 13557,15138,16715,18646,19585,21596,23572,25845,27081,29803,31136,33942,36650

%N Number of length 3 1..(n+2) arrays with no leading partial sum equal to a prime

%C Row 3 of A254539

%H R. H. Hardin, <a href="/A254541/b254541.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

%e ..2....3....4....2....1....3....6....3....5....6....5....5....6....1....6....2

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 01 2015