On Cayley's Enumeration of Alkanes (or 4-Valent Trees)
Rains, E. M. · Sloane, N. J. A.
Original · EN
Cayley's 1875 enumerations of centered and bicentered alkanes (unlabeled trees of valency at most 4) are corrected and extended -- possibly for the first time in 124 years.
English translation
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