A242453 - cp's OEIS frontend

A242453 (Conjectured) infinite nondecreasing sequence with a(1) = 1 such that the divisors of n appear a total of a(n) times in the sequence.

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

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

cp's OEIS Frontend

A242453 (Conjectured) infinite nondecreasing sequence with a(1) = 1 such that the divisors of n appear a total of a(n) times in the sequence.

Table of values

List of values

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

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

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