A038566 - cp's OEIS frontend

A038566 Numerators in canonical bijection from positive integers to positive rationals <= 1: arrange fractions by increasing denominator then by increasing numerator.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	2
9	3
10	4
11	1
12	5
13	1
14	2
15	3
16	4
17	5
18	6
19	1
20	3
21	5
22	7
23	1
24	2
25	4
26	5
27	7
28	8
29	1
30	3
31	7
32	9
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	1
44	5
45	7
46	11
47	1
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	1
60	3
61	5
62	9
63	11
64	13
65	1
66	2
67	4
68	7
69	8
70	11
71	13
72	14
73	1
74	3
75	5
76	7
77	9
78	11
79	13
80	15
81	1
82	2
83	3
84	4
85	5
86	6
87	7
88	8
89	9
90	10
91	11
92	12
93	13
94	14
95	15
96	16

[1, 1, 1, 2, 1, 3, 1, 2, 3, 4, 1, 5, 1, 2, 3, 4, 5, 6, 1, 3, 5, 7, 1, 2, 4, 5, 7, 8, 1, 3, 7, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 5, 7, 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 3, 5, 9, 11, 13, 1, 2, 4, 7, 8, 11, 13, 14, 1, 3, 5, 7, 9, 11, 13, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]

cp's OEIS Frontend

A038566 Numerators in canonical bijection from positive integers to positive rationals <= 1: arrange fractions by increasing denominator then by increasing numerator.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	2
9	3
10	4
11	1
12	5
13	1
14	2
15	3
16	4
17	5
18	6
19	1
20	3
21	5
22	7
23	1
24	2
25	4
26	5
27	7
28	8
29	1
30	3
31	7
32	9
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	1
44	5
45	7
46	11
47	1
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	1
60	3
61	5
62	9
63	11
64	13
65	1
66	2
67	4
68	7
69	8
70	11
71	13
72	14
73	1
74	3
75	5
76	7
77	9
78	11
79	13
80	15
81	1
82	2
83	3
84	4
85	5
86	6
87	7
88	8
89	9
90	10
91	11
92	12
93	13
94	14
95	15
96	16

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	2
9	3
10	4
11	1
12	5
13	1
14	2
15	3
16	4
17	5
18	6
19	1
20	3
21	5
22	7
23	1
24	2
25	4
26	5
27	7
28	8
29	1
30	3
31	7
32	9
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	1
44	5
45	7
46	11
47	1
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	1
60	3
61	5
62	9
63	11
64	13
65	1
66	2
67	4
68	7
69	8
70	11
71	13
72	14
73	1
74	3
75	5
76	7
77	9
78	11
79	13
80	15
81	1
82	2
83	3
84	4
85	5
86	6
87	7
88	8
89	9
90	10
91	11
92	12
93	13
94	14
95	15
96	16

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	2
9	3
10	4
11	1
12	5
13	1
14	2
15	3
16	4
17	5
18	6
19	1
20	3
21	5
22	7
23	1
24	2
25	4
26	5
27	7
28	8
29	1
30	3
31	7
32	9
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	1
44	5
45	7
46	11
47	1
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	1
60	3
61	5
62	9
63	11
64	13
65	1
66	2
67	4
68	7
69	8
70	11
71	13
72	14
73	1
74	3
75	5
76	7
77	9
78	11
79	13
80	15
81	1
82	2
83	3
84	4
85	5
86	6
87	7
88	8
89	9
90	10
91	11
92	12
93	13
94	14
95	15
96	16