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A188209 Number of nondecreasing arrangements of n numbers in -(n+5)..(n+5) with sum zero 1

%I #5 Mar 31 2012 12:36:11

%S 1,8,41,241,1394,8196,48417,288100,1724882,10388788,62914457,

%T 382957903,2342043630,14385595262,88716792134,549159544833,

%U 3411043554787,21255166581480,132841213701954,832537685724170,5231154448179004

%N Number of nondecreasing arrangements of n numbers in -(n+5)..(n+5) with sum zero

%C Column 7 of A188211

%H R. H. Hardin, <a href="/A188209/b188209.txt">Table of n, a(n) for n = 1..26</a>

%e Some solutions for n=3

%e .-5...-4...-8...-1...-5...-8...-4...-7...-4...-8...-7...-5...-7...-3...-5...-3

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

%e ..5....7....6....2....8....7....4....7....2....8....4....4....8....4....7....3

%K nonn

%O 1,2

%A _R. H. Hardin_ Mar 24 2011

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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)