A333110 - OEIS

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A333110

The number of edges on an octagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.

5

136, 2632, 17728, 60672, 163776, 341920, 673112, 1155144, 1892528, 2905088, 4327912, 6104696, 8557008, 11532288, 15271624, 19829528, 25447640, 31957872, 39935984, 49008392, 59807600, 72151536, 86465832, 102403360

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See the links in A333075 for images of the octagons.

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Cf. A333075 (regions), A333076 (n-gons), A333109 (vertices), A330845, A274586 , A332600, A331765.

Sequence in context: A249985 A072897 A254703 * A250424 A251940 A071231

Adjacent sequences: A333107 A333108 A333109 * A333111 A333112 A333113

KEYWORD

nonn,more

AUTHOR

Scott R. Shannon and N. J. A. Sloane, Mar 07 2020

EXTENSIONS

a(7)-a(24) from Lars Blomberg, May 14 2020

STATUS

approved