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A292002
Number of (undirected) paths in the n-Apollonian network.
4
30, 1017, 1417992, 1475602431690, 887899295279284798114284, 580352523353299355481324176693737926736684735143
OFFSET
1,1
COMMENTS
a(7) has 96 decimal digits and a(8) has 191 decimal digits. - Andrew Howroyd, Jun 09 2025
LINKS
Eric Weisstein's World of Mathematics, Apollonian Network.
Eric Weisstein's World of Mathematics, Graph Path.
CROSSREFS
Sequence in context: A280958 A061466 A180812 * A160313 A001821 A027488
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Sep 07 2017
EXTENSIONS
a(4) onwards from Andrew Howroyd, Jun 09 2025
STATUS
approved