A229994 - cp's OEIS frontend

A229994 For every positive integer m, let u(m) = (d(1),d(2),...,d(k)) be the unitary divisors of m in increasing order. Let Q be the concatenation of the vectors (d(k)/d(1), d(k-1)/d(2), ..., d(1)/d(k)), so that every positive rational number appears in Q exactly once. The numerators form A229994; the denominators, A077610.

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

[1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 3, 2, 1, 7, 1, 8, 1, 9, 1, 10, 5, 2, 1, 11, 1, 12, 4, 3, 1, 13, 1, 14, 7, 2, 1, 15, 5, 3, 1, 16, 1, 17, 1, 18, 9, 2, 1, 19, 1, 20, 5, 4, 1, 21, 7, 3, 1, 22, 11, 2, 1, 23, 1, 24, 8, 3, 1, 25, 1, 26, 13, 2, 1, 27, 1, 28, 7, 4, 1]

cp's OEIS Frontend

Table of values

List of values

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

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

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