A358951 - cp's OEIS frontend

A358951 Irregular table read by rows: T(n,k) = number of k-gons, k >= 3, formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,m)/A006843(n,m), m = 1..A005728(n).

n	a(n)
1	1
2	12
3	180
4	42
5	6
6	810
7	576
8	72
9	6
10	6786
11	4932
12	744
13	48
14	6
15	13662
16	12522
17	2568
18	258
19	12
20	72582
21	64932
22	14376
23	1632
24	36
25	6
26	164484
27	155088
28	38688
29	5958
30	414
31	18
32	439524
33	422370
34	114804
35	18462
36	1392
37	120
38	750108
39	749928
40	211518
41	35226
42	3336
43	204
44	6
45	2265462
46	2240994
47	647184
48	109602
49	10230
50	666
51	18

[1, 12, 180, 42, 6, 810, 576, 72, 6, 6786, 4932, 744, 48, 6, 13662, 12522, 2568, 258, 12, 72582, 64932, 14376, 1632, 36, 6, 164484, 155088, 38688, 5958, 414, 18, 439524, 422370, 114804, 18462, 1392, 120, 750108, 749928, 211518, 35226, 3336, 204, 6, 2265462, 2240994, 647184, 109602, 10230, 666, 18]

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Table of values

List of values