[go: up one dir, main page]
login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A342055
Number of unrooted 3-connected triangulations of a hexagon with n interior nodes.
3
1, 3, 20, 140, 1089, 8796, 72204, 596906, 4958736, 41365110, 346477770, 2914165157, 24612003577, 208711039484, 1776879432103, 15185140895506, 130242884479498, 1120949733518971, 9679158242220797, 83836374509942511, 728279201686023394, 6344019713842496995
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..500
CROSSREFS
Column k=6 of A342053.
Cf. A341926.
Sequence in context: A073514 A163065 A082143 * A371411 A009156 A074573
Adjacent sequences: A342052 A342053 A342054 * A342056 A342057 A342058
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 26 2021
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified March 11 20:50 EDT 2025. Contains 381659 sequences.
License Agreements, Terms of Use, Privacy Policy