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%I
%S 5,325,327125,6360324375,2483590604688125,20211024423069510171875,
%T 3524517841661451239027963515625,
%U 13444967478414031326768049544880110156250
%N Number of directed 4-multigraphs with loops on n nodes.
%Y Cf. A004105, A001374.
%K easy,nonn,changed
%O 1,1
%A _Vladeta Jovovic_, Jan 14 2000
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