|
Search: id:A000299
|
|
|
| A000299 |
|
Number of n-node rooted trees of height 4.
(Formerly M3461 N1408)
|
|
+0
2
|
|
| 0, 0, 0, 0, 1, 4, 13, 36, 93, 225, 528, 1198, 2666, 5815, 12517, 26587, 55933, 116564, 241151, 495417, 1011950, 2055892, 4157514, 8371318, 16792066, 33564256, 66875221, 132849983, 263192599, 520087551, 1025295487, 2016745784, 3958608430
(list; graph; listen)
|
|
|
OFFSET
|
1,6
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.
|
|
LINKS
|
N. J. A. Sloane, Table of n, a(n) for n=1..200
Index entries for sequences related to rooted trees
Index entries for sequences related to trees
|
|
FORMULA
|
A001384-A001383. (Christian G. Bower (bowerc(AT)usa.net)).
|
|
MAPLE
|
For Maple program see link in A000235.
|
|
CROSSREFS
|
Sequence in context: A053563 A036636 A036643 this_sequence A102301 A031506 A065297
Adjacent sequences: A000296 A000297 A000298 this_sequence A000300 A000301 A000302
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
