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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
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.
CROSSREFS
Cf. A340639 (regions), A340644 (vertices), A340614 (n-gons), A007678, A092867.
Sequence in context: A015786 A229071 A220857 * A157537 A322893 A114943
KEYWORD
nonn
AUTHOR
STATUS
approved