OFFSET
2,1
COMMENTS
Included in accordance with the OEIS policy of listing published but incorrect sequences, to serve as pointers to the correct entries.
REFERENCES
R. C. Read, Some Enumeration Problems in Graph Theory. Ph.D. Dissertation, Department of Mathematics, Univ. London, 1958.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
R. C. Read, Letter to N. J. A. Sloane, Feb 04 1971 (gives initial terms of this sequence)
CROSSREFS
KEYWORD
dead
AUTHOR
Sean A. Irvine, Oct 05 2014
STATUS
approved