A038062 Number of labeled trees with 3-colored nodes.

1, 3, 9, 81, 1296, 30375, 944784, 36756909, 1719926784, 94143178827, 5904900000000, 417703359617577, 32905425960566784, 2857282535902251951, 271165225379757133824, 27925772039747314453125

Offset: 0

Author

Christian G. Bower, Jan 04 1999

Keywords

• nonn

Links

• Index entries for sequences related to trees

Crossrefs

Cf. A000272, A038055-A038061.

Formula

A038061/n. E.g.f. B(3x) where B(x) is e.g.f. of A000272.