A335286 - cp's OEIS frontend

A335286 n is the a(n)-th positive integer having its sequence of exponents in canonical prime factorization.

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

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

cp's OEIS Frontend

A335286 n is the a(n)-th positive integer having its sequence of exponents in canonical prime factorization.

Table of values

List of values

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

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

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