A079880 - cp's OEIS frontend

A079880 a(n) = n/mpf(n), where mpf(n) is the median prime factor of n (A079879).

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

[1, 1, 1, 2, 1, 3, 1, 4, 3, 5, 1, 6, 1, 7, 5, 8, 1, 6, 1, 10, 7, 11, 1, 12, 5, 13, 9, 14, 1, 10, 1, 16, 11, 17, 7, 18, 1, 19, 13, 20, 1, 14, 1, 22, 15, 23, 1, 24, 7, 10, 17, 26, 1, 18, 11, 28, 19, 29, 1, 30, 1, 31, 21, 32, 13, 22, 1, 34, 23, 14, 1, 36, 1, 37, 15, 38, 11, 26, 1, 40, 27, 41, 1, 42]

cp's OEIS Frontend

A079880 a(n) = n/mpf(n), where mpf(n) is the median prime factor of n (A079879).

Table of values

List of values

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

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

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