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A000429
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Number of n-node rooted trees of height 8.
(Formerly M4525 N1918)
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1
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0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 43, 188, 728, 2593, 8706, 27961, 86802, 262348, 776126, 2256418, 6466614, 18311915, 51334232, 142673720, 393611872, 1078955836, 2941029334, 7977065816, 21541492856, 57942770689, 155304829763, 414934057486
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,10
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REFERENCES
| J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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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
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FORMULA
| A034825-A034824. (Christian G. Bower (bowerc(AT)usa.net)).
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MAPLE
| For Maple program see link in A000235.
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CROSSREFS
| Sequence in context: A036633 A036640 A036647 * A055853 A137748 A005024
Adjacent sequences: A000426 A000427 A000428 * A000430 A000431 A000432
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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