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A335783 a(n) is the number of edges formed by n-secting the angles of a nonagon (enneagon). 4
9, 36, 261, 279, 783, 846, 288, 1557, 2583, 2664, 3897, 3996, 5661, 2214, 7407, 7425, 9603, 9549, 11997, 12231, 9738, 14607, 17667, 17730, 20781, 20997, 24669, 16515, 27873, 28278, 32301, 32202, 36657, 36981, 32706, 40698, 46161, 46143, 51039, 51462, 56979 (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. A332429 (n-sected sides, not angles), A335781 (regions), A335782 (vertices), A335784 (ngons).

Sequence in context: A073984 A036907 A027381 * A024120 A262782 A204513

Adjacent sequences:  A335780 A335781 A335782 * A335784 A335785 A335786

KEYWORD

nonn

AUTHOR

Lars Blomberg, Jun 24 2020

STATUS

approved

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Last modified May 21 21:43 EDT 2022. Contains 353929 sequences. (Running on oeis4.)