cp's OEIS Frontend

A188329 Number of nondecreasing arrangements of n nonzero numbers in -(n+3)..(n+3) with sum zero.

%I A188329 #7 Jul 22 2025 11:08:01
%S A188329 0,5,18,94,472,2519,13694,76251,431488,2477726,14399942,84570550,
%T A188329 501197804,2994043007,18012040166,109041492241,663838548026,
%U A188329 4061954970953,24969125105686,154130498547414,955070091156516
%N A188329 Number of nondecreasing arrangements of n nonzero numbers in -(n+3)..(n+3) with sum zero.
%C A188329 Column 5 of A188333
%H A188329 R. H. Hardin, <a href="/A188329/b188329.txt">Table of n, a(n) for n = 1..24</a>
%e A188329 Some solutions for n=6
%e A188329 .-7...-7...-6...-8...-8...-6...-9...-8...-8...-9...-8...-8...-7...-8...-9...-7
%e A188329 .-6...-5...-6...-3...-5...-6...-7...-6...-5...-6...-6...-8...-3...-8...-5...-3
%e A188329 .-1...-2...-4...-2...-4...-6....1....1...-2....1....2...-1...-1....2....3....1
%e A188329 ..4....1...-2....2....4....3....3....2...-1....3....3....5...-1....2....3....2
%e A188329 ..5....5....9....4....4....6....5....4....7....3....4....6....5....5....4....2
%e A188329 ..5....8....9....7....9....9....7....7....9....8....5....6....7....7....4....5
%K A188329 nonn
%O A188329 1,2
%A A188329 _R. H. Hardin_ Mar 28 2011