login
Number of length 2 0..n 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 4,9,16,25,34,47,62,79,98,115,138,163,190,219,250,277,312,349,388,429,

%T 464,509,556,605,656,709,754,811,870,931,994,1047,1114,1183,1254,1327,

%U 1402,1465,1544,1625,1708,1793,1864,1953,2044,2137,2232,2329,2410,2511

%N Number of length 2 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean

%C Row 2 of A244832

%H R. H. Hardin, <a href="/A244833/b244833.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=10

%e ..5....0....9....5....8....1....8....7....4....4....8....6....4....7....6....5

%e ..3....5....3....4....4....9....7...10....4....8....8....8....5....4....4....0

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 06 2014