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

1,1

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