0,5
E. M. Rains and N. J. A. Sloane, On Cayley's Enumeration of Alkanes (or 4-Valent Trees)., J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.
Index entries for sequences related to rooted trees
Sequence in context: A100417 A070089 A069167 this_sequence A080037 A114571 A050091
Adjacent sequences: A036624 A036625 A036626 this_sequence A036628 A036629 A036630
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com).
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