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A243338
Number of simple connected graphs with n nodes that are trees and not integral.
0
0, 0, 1, 2, 2, 5, 10, 23, 47, 105
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OFFSET
1,4
LINKS
Table of n, a(n) for n=1..10.
Travis Hoppe and Anna Petrone,
Encyclopedia of Finite Graphs
T. Hoppe and A. Petrone,
Integer sequence discovery from small graphs
, arXiv preprint arXiv:1408.3644, 2014
CROSSREFS
Cf.
A241842
(non-integral graphs),
A000055
(tree graphs).
Sequence in context:
A317877
A075125
A081374
*
A245306
A296530
A117400
Adjacent sequences:
A243335
A243336
A243337
*
A243339
A243340
A243341
KEYWORD
nonn
,
more
AUTHOR
Travis Hoppe
and
Anna Petrone
, Jun 03 2014
STATUS
approved
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Last modified June 1 02:58 EDT 2024. Contains 373008 sequences. (Running on oeis4.)