A079868 - cp's OEIS frontend

A079868 a(1)=1 and for n>1: round(n^(1/Omega(n))), where Omega(n) is the total number of prime factors of n (A001222).

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

[1, 2, 3, 2, 5, 2, 7, 2, 3, 3, 11, 2, 13, 4, 4, 2, 17, 3, 19, 3, 5, 5, 23, 2, 5, 5, 3, 3, 29, 3, 31, 2, 6, 6, 6, 2, 37, 6, 6, 3, 41, 3, 43, 4, 4, 7, 47, 2, 7, 4, 7, 4, 53, 3, 7, 3, 8, 8, 59, 3, 61, 8, 4, 2, 8, 4, 67, 4, 8, 4, 71, 2, 73, 9, 4, 4, 9, 4, 79, 2, 3, 9, 83, 3, 9, 9, 9, 3, 89, 3, 10, 5, 10, 10]

cp's OEIS Frontend

A079868 a(1)=1 and for n>1: round(n^(1/Omega(n))), where Omega(n) is the total number of prime factors of n (A001222).

Table of values

List of values

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

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

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