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Number of length n 0..7 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean
1

%I #5 Nov 16 2016 12:30:07

%S 8,62,482,3792,29588,234128,1843104,14502774,115222470,912575878,

%T 7225657450,57221629692,455860849506,3624824433746,28817478599294,

%U 229114198330698,1821915526639762,14491296852589844,115291956697930848

%N Number of length n 0..7 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean

%C Column 7 of A244832

%H R. H. Hardin, <a href="/A244831/b244831.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..1....5....6....4....1....0....3....0....6....5....3....1....6....4....6....3

%e ..3....4....5....0....4....5....1....4....7....2....3....4....3....0....2....2

%e ..5....6....0....0....7....3....2....2....1....1....3....2....7....4....7....7

%e ..2....6....6....2....4....4....5....4....1....0....2....7....3....0....5....6

%e ..1....0....5....2....5....1....7....0....1....5....1....7....6....0....7....3

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 06 2014