A335782 a(n) is the number of vertices formed by n-secting the angles of a nonagon (enneagon).

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

Offset: 1

Author

Lars Blomberg, Jun 24 2020

Keywords

• nonn

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).