A359971 - cp's OEIS frontend

A359971 Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.

n	a(n)
1	1
2	5
3	33
4	15
5	108
6	126
7	5
8	727
9	1031
10	38
11	2
12	1314
13	2452
14	167
15	15
16	2
17	6811
18	12102
19	988
20	52
21	14904
22	27626
23	3255
24	214
25	4
26	2
27	2
28	39172
29	73289
30	10062
31	795
32	19
33	1
34	65833
35	127951
36	18476
37	1464
38	64
39	5
40	201643
41	370880
42	59630
43	5548
44	250
45	7
46	2
47	288196
48	541258
49	91037
50	9692
51	428
52	20
53	4
54	741597
55	1351301
56	239180
57	27510
58	1434
59	58

[1, 5, 33, 15, 108, 126, 5, 727, 1031, 38, 2, 1314, 2452, 167, 15, 2, 6811, 12102, 988, 52, 14904, 27626, 3255, 214, 4, 2, 2, 39172, 73289, 10062, 795, 19, 1, 65833, 127951, 18476, 1464, 64, 5, 201643, 370880, 59630, 5548, 250, 7, 2, 288196, 541258, 91037, 9692, 428, 20, 4, 741597, 1351301, 239180, 27510, 1434, 58]

cp's OEIS Frontend

A359971 Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.

Table of values

List of values