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A003088
Number of unilateral digraphs with n unlabeled nodes.
(Formerly M2011)
+0
5
1, 1, 2, 11, 171, 8603, 1478644
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Maintained by
N. J. A. Sloane
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
AT&T Labs Research
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