1,8
Saverio Caminiti and Emanuele G. Fusco, On the Number of Labeled k-arch Graphs, Journal of Integer Sequences, Vol 10 (2007), Article 07.7.5
Cf. A098721-A098724, A131311-A131314.
Adjacent sequences: A131312 A131313 A131314 this_sequence A131316 A131317 A131318
Sequence in context: A061787 A128506 A036525 this_sequence A099058 A085408 A119162
nonn
njas, Sep 29 2007
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