A363300 - cp's OEIS frontend

A363300 Number of fractions of the Farey sequence of order n, F_n, that can be expressed as x/y, where y = #{F_n} - 1.

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	9
7	7
8	3
9	11
10	9
11	13
12	3
13	3
14	9
15	23
16	25
17	25
18	23
19	33
20	17
21	33
22	23
23	5
24	49
25	45
26	5
27	33
28	23
29	53
30	3
31	49
32	43
33	9
34	69
35	49
36	77
37	75
38	63
39	7
40	47
41	11
42	3
43	9
44	5
45	5
46	55
47	53
48	9
49	55
50	61
51	57
52	11
53	97
54	133
55	67
56	5
57	81
58	5
59	7
60	95
61	15
62	9
63	5
64	217
65	13
66	17
67	75
68	107
69	133
70	19
71	113
72	5
73	21
74	85
75	117
76	5
77	9
78	121
79	3
80	3

[2, 3, 3, 5, 7, 9, 7, 3, 11, 9, 13, 3, 3, 9, 23, 25, 25, 23, 33, 17, 33, 23, 5, 49, 45, 5, 33, 23, 53, 3, 49, 43, 9, 69, 49, 77, 75, 63, 7, 47, 11, 3, 9, 5, 5, 55, 53, 9, 55, 61, 57, 11, 97, 133, 67, 5, 81, 5, 7, 95, 15, 9, 5, 217, 13, 17, 75, 107, 133, 19, 113, 5, 21, 85, 117, 5, 9, 121, 3, 3]

cp's OEIS Frontend

A363300 Number of fractions of the Farey sequence of order n, F_n, that can be expressed as x/y, where y = #{F_n} - 1.

Table of values

List of values

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	9
7	7
8	3
9	11
10	9
11	13
12	3
13	3
14	9
15	23
16	25
17	25
18	23
19	33
20	17
21	33
22	23
23	5
24	49
25	45
26	5
27	33
28	23
29	53
30	3
31	49
32	43
33	9
34	69
35	49
36	77
37	75
38	63
39	7
40	47
41	11
42	3
43	9
44	5
45	5
46	55
47	53
48	9
49	55
50	61
51	57
52	11
53	97
54	133
55	67
56	5
57	81
58	5
59	7
60	95
61	15
62	9
63	5
64	217
65	13
66	17
67	75
68	107
69	133
70	19
71	113
72	5
73	21
74	85
75	117
76	5
77	9
78	121
79	3
80	3

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	9
7	7
8	3
9	11
10	9
11	13
12	3
13	3
14	9
15	23
16	25
17	25
18	23
19	33
20	17
21	33
22	23
23	5
24	49
25	45
26	5
27	33
28	23
29	53
30	3
31	49
32	43
33	9
34	69
35	49
36	77
37	75
38	63
39	7
40	47
41	11
42	3
43	9
44	5
45	5
46	55
47	53
48	9
49	55
50	61
51	57
52	11
53	97
54	133
55	67
56	5
57	81
58	5
59	7
60	95
61	15
62	9
63	5
64	217
65	13
66	17
67	75
68	107
69	133
70	19
71	113
72	5
73	21
74	85
75	117
76	5
77	9
78	121
79	3
80	3

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	9
7	7
8	3
9	11
10	9
11	13
12	3
13	3
14	9
15	23
16	25
17	25
18	23
19	33
20	17
21	33
22	23
23	5
24	49
25	45
26	5
27	33
28	23
29	53
30	3
31	49
32	43
33	9
34	69
35	49
36	77
37	75
38	63
39	7
40	47
41	11
42	3
43	9
44	5
45	5
46	55
47	53
48	9
49	55
50	61
51	57
52	11
53	97
54	133
55	67
56	5
57	81
58	5
59	7
60	95
61	15
62	9
63	5
64	217
65	13
66	17
67	75
68	107
69	133
70	19
71	113
72	5
73	21
74	85
75	117
76	5
77	9
78	121
79	3
80	3