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A132640 Number of trees with n unlabeled nodes T(n) raised to power T(n). 0
1, 1, 1, 4, 27, 46656, 285311670611, 20880467999847912034355032910567, 3877924263464448622666648186154330754898344901344205917642325627886496385062863 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Number of trees with n unlabeled nodes: A000055.
Cf. A008973, A008974, A051674.
Sequence in context: A254866 A292968 A000869 * A307031 A306823 A174212
Adjacent sequences: A132637 A132638 A132639 * A132641 A132642 A132643
KEYWORD
nonn
AUTHOR
Omar E. Pol, Aug 24 2007
STATUS
approved

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Last modified May 28 22:13 EDT 2024. Contains 372921 sequences. (Running on oeis4.)