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A003028
Number of n-node digraphs with a source.
(Formerly M3157)
+0
4
1, 3, 51, 3614, 991930, 1051469032, 4366988803688, 71895397383029040, 4719082081411731363408, 1237678715644664931691596416, 1297992266840866792981316221144960
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Maintained by
N. J. A. Sloane
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
AT&T Labs Research
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