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A006291 Pseudo-bricks with n nodes.
(Formerly M4450)
2
1, 7, 88, 1731, 55094, 2806539 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
T. R. S. Walsh, Counting unlabeled three-connected and homeomorphically irreducible two-connected graphs, J. Combin. Theory Ser. B 32 (1982), no. 1, 12-32.
CROSSREFS
Sequence in context: A137143 A069430 A020564 * A220193 A220357 A054678
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified February 29 13:01 EST 2024. Contains 370425 sequences. (Running on oeis4.)