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%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
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