A188006 - OEIS

%I #5 Mar 31 2012 12:36:10

%S 106,176,286,421,636,862,1206,1587,2114,2698,3450,4255,5356,6522,8026,

%T 9451,11468,13434,15970,18457,21512,24652,28728,32569,37426,42000,

%U 47824,53393,60688,67492,75464,83349,93086,102446,113894,123963,137198,149672

%N Number of nondecreasing arrangements of 6 numbers x(i) in -(n+4)..(n+4) with the sum of sign(x(i))*x(i)^2 zero

%C Row 6 of A188002

%H R. H. Hardin, <a href="/A188006/b188006.txt">Table of n, a(n) for n = 1..51</a>

%e Some solutions for n=3

%e .-7...-3...-7...-7...-4...-6...-6...-6...-6...-4...-7...-3...-6...-7...-4...-6

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

%e ..2....0....0...-6...-2....1....3...-3...-6...-3....2...-2....0....0....2...-3

%e ..3....1....3....6....0....2....3....2....6...-3....3....2....0....0....2...-2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 18 2011