A259467 Erroneous version of A003092.

1, 2, 36, 1200, 57000, 3477600, 157826240

Offset

1,2

References

E. M. Palmer and R. C. Read, on the number of plane 2-trees, J. Lond. Math. Soc., 6 (1973), 583-592.

Links

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

E. M. Palmer and R. C. Read, On the number of plane 2-trees, J. Lond. Math. Soc., 6 (1973), 583-592. [Annotated and corrected scanned copy]

Crossrefs

Sequence in context: A305596 A210899 A302903 * A003092 A187535 A263421

Adjacent sequences: A259464 A259465 A259466 * A259468 A259469 A259470

Keyword

dead

Status

approved