|
|
A340613
|
|
The number of edges on a Reuleaux triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
|
|
5
|
|
|
3, 42, 264, 957, 2763, 5946, 11976, 20808, 35121, 53853, 81822, 116658, 164409, 222072, 297654, 386613, 499305, 629124, 789156, 970404, 1189923, 1435689, 1726980, 2050254, 2428101, 2843862, 3323646, 3847863, 4446861, 5096730, 5833128, 6627840, 7520769, 8480367, 9550638, 10695942, 11966043
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
The terms are from numeric computation - no formula for a(n) is currently known.
See A340639 for images of the regions and A340644 for images of the vertices.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|