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A342152
The number of edges on a vesica piscis formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
3
2, 8, 42, 148, 438, 936, 2010, 3462, 6038, 8816, 14606, 20504, 29854, 39790, 54618, 70142, 92662, 115718, 147494, 177500, 223506, 267872, 326142, 384274, 460302, 535896, 631886, 726674, 848126, 965592, 1115194, 1259926, 1440558, 1616940, 1833130, 2042602, 2300498, 2549756, 2851626, 3139854
OFFSET
1,1
COMMENTS
The terms are from numeric computation - no formula for a(n) is currently known.
See A341877 for images of the regions and A341878 for images of the vertices.
FORMULA
a(n) = A341877(n) + A341878(n) - 1.
CROSSREFS
Cf. A341877 (regions), A341878 (vertices), A342153 (n-gons), A135565, A332376, A340613, A340687.
Sequence in context: A364383 A330870 A364707 * A153537 A153565 A153528
KEYWORD
nonn
AUTHOR
STATUS
approved