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A038062 Number of labeled trees with 3-colored nodes. 7
1, 3, 9, 81, 1296, 30375, 944784, 36756909, 1719926784, 94143178827, 5904900000000, 417703359617577, 32905425960566784, 2857282535902251951, 271165225379757133824, 27925772039747314453125 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
A038061/n. E.g.f. B(3x) where B(x) is e.g.f. of A000272.
CROSSREFS
Sequence in context: A215114 A032108 A216206 * A218149 A011764 A018624
KEYWORD
nonn
AUTHOR
Christian G. Bower, Jan 04 1999
STATUS
approved

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)