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Search: id:A049512
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| A049512 |
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Number of quasi-initially connected digraphs on n unlabeled nodes. |
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+0
3
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OFFSET
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1,2
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REFERENCES
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V. Jovovic and G. Kilibarda, Enumeration of labeled quasi-initially connected digraphs, Discrete Math., 224 (2000), 151-163.
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CROSSREFS
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Cf. A049414, A003085, A035512, A003088, A051421.
Sequence in context: A137610 A073178 A062156 this_sequence A003507 A003085 A053598
Adjacent sequences: A049509 A049510 A049511 this_sequence A049513 A049514 A049515
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KEYWORD
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hard,nonn
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AUTHOR
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Vladeta Jovovic, Goran Kilibarda (vladeta(AT)Eunet.yu)
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