A037162 - cp's OEIS frontend

A037162 Well-order the rational numbers; take denominators.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	3
14	4
15	4
16	3
17	2
18	1
19	1
20	5
21	5
22	1
23	1
24	2
25	3
26	4
27	5
28	6
29	6
30	5
31	4
32	3
33	2
34	1
35	1
36	3
37	5
38	7
39	7
40	5
41	3
42	1
43	1
44	2
45	4
46	5
47	7
48	8
49	8
50	7
51	5
52	4
53	2
54	1
55	1
56	3
57	7
58	9
59	9
60	7
61	3
62	1
63	1
64	2
65	3
66	4
67	5
68	6
69	7
70	8
71	9
72	10
73	10
74	9
75	8
76	7
77	6
78	5
79	4
80	3
81	2
82	1

[1, 1, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 5, 5, 1, 1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1, 1, 3, 5, 7, 7, 5, 3, 1, 1, 2, 4, 5, 7, 8, 8, 7, 5, 4, 2, 1, 1, 3, 7, 9, 9, 7, 3, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A037162 Well-order the rational numbers; take denominators.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	3
14	4
15	4
16	3
17	2
18	1
19	1
20	5
21	5
22	1
23	1
24	2
25	3
26	4
27	5
28	6
29	6
30	5
31	4
32	3
33	2
34	1
35	1
36	3
37	5
38	7
39	7
40	5
41	3
42	1
43	1
44	2
45	4
46	5
47	7
48	8
49	8
50	7
51	5
52	4
53	2
54	1
55	1
56	3
57	7
58	9
59	9
60	7
61	3
62	1
63	1
64	2
65	3
66	4
67	5
68	6
69	7
70	8
71	9
72	10
73	10
74	9
75	8
76	7
77	6
78	5
79	4
80	3
81	2
82	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	3
14	4
15	4
16	3
17	2
18	1
19	1
20	5
21	5
22	1
23	1
24	2
25	3
26	4
27	5
28	6
29	6
30	5
31	4
32	3
33	2
34	1
35	1
36	3
37	5
38	7
39	7
40	5
41	3
42	1
43	1
44	2
45	4
46	5
47	7
48	8
49	8
50	7
51	5
52	4
53	2
54	1
55	1
56	3
57	7
58	9
59	9
60	7
61	3
62	1
63	1
64	2
65	3
66	4
67	5
68	6
69	7
70	8
71	9
72	10
73	10
74	9
75	8
76	7
77	6
78	5
79	4
80	3
81	2
82	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	3
14	4
15	4
16	3
17	2
18	1
19	1
20	5
21	5
22	1
23	1
24	2
25	3
26	4
27	5
28	6
29	6
30	5
31	4
32	3
33	2
34	1
35	1
36	3
37	5
38	7
39	7
40	5
41	3
42	1
43	1
44	2
45	4
46	5
47	7
48	8
49	8
50	7
51	5
52	4
53	2
54	1
55	1
56	3
57	7
58	9
59	9
60	7
61	3
62	1
63	1
64	2
65	3
66	4
67	5
68	6
69	7
70	8
71	9
72	10
73	10
74	9
75	8
76	7
77	6
78	5
79	4
80	3
81	2
82	1