A246968 Erroneous version of A001500.

1, 4, 55, 2008, 153040, 20987840, 4672874360

Offset

1,2

References

R. C. Read, Some Enumeration Problems in Graph Theory. Ph.D. Dissertation, Department of Mathematics, Univ. London, 1958.

Links

Table of n, a(n) for n=1..7.

R. C. Read, Letter to N. J. A. Sloane, Feb 04 1971

Crossrefs

Cf. A001500.

Sequence in context: A271715 A099122 A001500 * A355073 A054751 A189873

Adjacent sequences: A246965 A246966 A246967 * A246969 A246970 A246971

Keyword

dead

Author

N. J. A. Sloane, Sep 09 2014

Status

approved