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A049512
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Number of quasi-initially connected digraphs on n unlabeled nodes.
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2
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OFFSET
| 1,2
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REFERENCES
| V. Jovovic and G. Kilibarda, Enumeration of labeled quasi-initially connected digraphs, Discrete Math., 224 (2000), 151-163.
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CROSSREFS
| Cf. A049414, A003085, A035512, A003088, A051421.
Sequence in context: A073178 A193192 A062156 * A003507 A003085 A053598
Adjacent sequences: A049509 A049510 A049511 * A049513 A049514 A049515
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KEYWORD
| hard,nonn
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AUTHOR
| Vladeta Jovovic, Goran Kilibarda (vladeta(AT)eunet.rs)
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