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A325115 Number of simple graphs on n unlabeled nodes with exactly 1 endpoint (node of degree 1). 3
0, 0, 0, 1, 6, 35, 260, 2934, 53768, 1707627, 96648020, 9886429142, 1842161884708, 629505254017556, 397043155634566696, 464930596621838689900, 1016021072554513545893264, 4162479064042009639168386134, 32096876145378032622994745784856 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..50
CROSSREFS
Column k=1 of A327371.
Cf. A277072 (labeled case), A325125.
Sequence in context: A355381 A244267 A187443 * A087631 A167579 A357095
Adjacent sequences: A325112 A325113 A325114 * A325116 A325117 A325118
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Sep 04 2019
EXTENSIONS
Terms a(11) and beyond from Andrew Howroyd, Feb 02 2021
STATUS
approved

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Last modified May 28 21:13 EDT 2024. Contains 372920 sequences. (Running on oeis4.)