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%I #5 Mar 31 2012 12:36:11
%S 1,8,40,234,1317,7435,41748,234413,1316060,7395049,41601836,234385104,
%T 1322693568,7477225191,42343586740,240215460615,1365117760484,
%U 7771029244519,44310379612078,253062451888388,1447507286439975
%N Number of nondecreasing arrangements of n numbers in -(n+5)..(n+5) with sum zero and not more than two numbers equal
%C Column 7 of A188236
%H R. H. Hardin, <a href="/A188234/b188234.txt">Table of n, a(n) for n = 1..25</a>
%e Some solutions for n=4
%e .-8...-6...-8...-9...-6...-4...-8...-8...-5...-6...-7...-4...-6...-8...-4...-7
%e ..2...-2...-5...-1...-1...-4...-2....0...-3...-5...-4...-2....0...-6...-3...-5
%e ..3....4....5....4...-1....3....2....2....4....4....5...-1....1....5....1....6
%e ..3....4....8....6....8....5....8....6....4....7....6....7....5....9....6....6
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 24 2011
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