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A335193
a(n) is the number of edges inside an n-gon formed by the straight line segments connecting vertex k to vertex 3k mod n.
4
3, 5, 9, 14, 17, 15, 25, 38, 47, 35, 63, 78, 75, 57, 113, 114, 137, 115, 153, 186, 207, 143, 239, 266, 259, 245, 329, 326, 369, 287, 393, 446, 479, 403, 527, 566, 555, 473, 657, 626, 713, 659, 745, 818, 863, 687, 927, 978, 963, 933, 1097, 1086, 1169, 1007
OFFSET
3,1
COMMENTS
See A335192 for illustrations.
LINKS
CROSSREFS
Cf. A335192 (regions), A335194 (vertices), A335195 (n-gons).
Sequence in context: A134672 A321024 A211389 * A288259 A355489 A372639
KEYWORD
nonn
AUTHOR
Lars Blomberg, May 26 2020
STATUS
approved