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A335782 a(n) is the number of vertices formed by n-secting the angles of a nonagon (enneagon). 4
9, 19, 135, 118, 396, 379, 135, 712, 1296, 1243, 1953, 1891, 2835, 955, 3708, 3556, 4806, 4600, 6003, 5914, 4860, 7084, 8838, 8623, 10395, 10234, 12339, 7786, 13941, 13825, 16155, 15769, 18333, 18136, 16344, 19981, 23085, 22672, 25524, 25309, 28494, 22069 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A335781 for illustrations.

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..200

CROSSREFS

Cf. A332428 (n-sected sides, not angles), A335781 (regions), A335783 (edges), A335784 (ngons).

Sequence in context: A177130 A240120 A177179 * A041677 A153316 A041160

Adjacent sequences:  A335779 A335780 A335781 * A335783 A335784 A335785

KEYWORD

nonn

AUTHOR

Lars Blomberg, Jun 24 2020

STATUS

approved

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Last modified July 1 13:12 EDT 2022. Contains 354973 sequences. (Running on oeis4.)