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A002844 Nonisentropic binary rooted trees with n nodes.
(Formerly M1445 N0571)
+0
1
1, 1, 2, 5, 13, 36, 102, 296, 871, 2599 (list; graph; listen)
OFFSET

1,3

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).

R. K. Guy, personal communication.

LINKS

Index entries for sequences related to rooted trees

Index entries for sequences related to trees

CROSSREFS

Sequence in context: A046171 A022854 A116409 this_sequence A099164 A036765 A136751

Adjacent sequences: A002841 A002842 A002843 this_sequence A002845 A002846 A002847

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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