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A280768
Coefficients of g.f. for the class of multiply-rooted C-trees.
0
1, 2, 6, 23, 97, 446, 2140, 10662, 54482
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
Jessica Shi,
Enumeration of unlabeled graph classes: A study of tree decompositions and related approaches
, 2015.
CROSSREFS
Sequence in context:
A111283
A150297
A150298
*
A370183
A278301
A242586
Adjacent sequences:
A280765
A280766
A280767
*
A280769
A280770
A280771
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Jan 17 2017
STATUS
approved
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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)