A173933 - cp's OEIS frontend

A173933 The number of numbers m < k/2 such that m/k is a reduced fraction in the Cantor set, where k= A173931(n).

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	8
7	6
8	15
9	6
10	6
11	8
12	15
13	8
14	12
15	8
16	8
17	10
18	24
19	27
20	16
21	12
22	9
23	63
24	10
25	16
26	12
27	63
28	20
29	12
30	11
31	10
32	36
33	12
34	56
35	12
36	12
37	44
38	12
39	15
40	36
41	12
42	16
43	120
44	60
45	110
46	24
47	16
48	18
49	24
50	225

[1, 2, 3, 3, 4, 8, 6, 15, 6, 6, 8, 15, 8, 12, 8, 8, 10, 24, 27, 16, 12, 9, 63, 10, 16, 12, 63, 20, 12, 11, 10, 36, 12, 56, 12, 12, 44, 12, 15, 36, 12, 16, 120, 60, 110, 24, 16, 18, 24, 225]

cp's OEIS Frontend

A173933 The number of numbers m < k/2 such that m/k is a reduced fraction in the Cantor set, where k= A173931(n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	8
7	6
8	15
9	6
10	6
11	8
12	15
13	8
14	12
15	8
16	8
17	10
18	24
19	27
20	16
21	12
22	9
23	63
24	10
25	16
26	12
27	63
28	20
29	12
30	11
31	10
32	36
33	12
34	56
35	12
36	12
37	44
38	12
39	15
40	36
41	12
42	16
43	120
44	60
45	110
46	24
47	16
48	18
49	24
50	225

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	8
7	6
8	15
9	6
10	6
11	8
12	15
13	8
14	12
15	8
16	8
17	10
18	24
19	27
20	16
21	12
22	9
23	63
24	10
25	16
26	12
27	63
28	20
29	12
30	11
31	10
32	36
33	12
34	56
35	12
36	12
37	44
38	12
39	15
40	36
41	12
42	16
43	120
44	60
45	110
46	24
47	16
48	18
49	24
50	225

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	8
7	6
8	15
9	6
10	6
11	8
12	15
13	8
14	12
15	8
16	8
17	10
18	24
19	27
20	16
21	12
22	9
23	63
24	10
25	16
26	12
27	63
28	20
29	12
30	11
31	10
32	36
33	12
34	56
35	12
36	12
37	44
38	12
39	15
40	36
41	12
42	16
43	120
44	60
45	110
46	24
47	16
48	18
49	24
50	225