A347044 - cp's OEIS frontend

A347044 Greatest divisor of n with half (rounded up) as many prime factors (counting multiplicity) as n.

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

[1, 2, 3, 2, 5, 3, 7, 4, 3, 5, 11, 6, 13, 7, 5, 4, 17, 9, 19, 10, 7, 11, 23, 6, 5, 13, 9, 14, 29, 15, 31, 8, 11, 17, 7, 9, 37, 19, 13, 10, 41, 21, 43, 22, 15, 23, 47, 12, 7, 25, 17, 26, 53, 9, 11, 14, 19, 29, 59, 15, 61, 31, 21, 8, 13, 33, 67, 34, 23, 35, 71]

cp's OEIS Frontend

A347044 Greatest divisor of n with half (rounded up) as many prime factors (counting multiplicity) as n.

Table of values

List of values

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

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

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