OFFSET
1,2
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, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
CROSSREFS
KEYWORD
dead
AUTHOR
N. J. A. Sloane, Sep 08 2014
STATUS
approved