login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A132640 Number of trees with n unlabeled nodes T(n) raised to power T(n). 0
1, 1, 1, 4, 27, 46656, 285311670611, 20880467999847912034355032910567 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

CROSSREFS

Number of trees with n unlabeled nodes: A000055.

Cf. A008973, A008974, A051674.

Sequence in context: A008973 A132646 A000869 * A174212 A038706 A153431

Adjacent sequences:  A132637 A132638 A132639 * A132641 A132642 A132643

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Aug 24 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 12:16 EST 2012. Contains 205785 sequences.