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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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
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
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.)