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A005965 Erroneous version of A000421.
(Formerly M1651)
0
1, 2, 6, 20, 91, 506 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

A. T. Balaban, Enumeration of Cyclic Graphs, pp. 63-105 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see p. 92.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Sequence in context: A180890 A027321 A027315 * A000421 A009244 A104985

Adjacent sequences:  A005962 A005963 A005964 * A005966 A005967 A005968

KEYWORD

dead

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified July 5 16:07 EDT 2020. Contains 335473 sequences. (Running on oeis4.)