A347043 - cp's OEIS frontend

A347043 Smallest 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	2
7	7
8	4
9	3
10	2
11	11
12	4
13	13
14	2
15	3
16	4
17	17
18	6
19	19
20	4
21	3
22	2
23	23
24	4
25	5
26	2
27	9
28	4
29	29
30	6
31	31
32	8
33	3
34	2
35	5
36	4
37	37
38	2
39	3
40	4
41	41
42	6
43	43
44	4
45	9
46	2
47	47
48	8
49	7
50	10
51	3
52	4
53	53
54	6
55	5
56	4
57	3
58	2
59	59
60	4
61	61
62	2
63	9
64	8
65	5
66	6
67	67
68	4
69	3
70	10
71	71
72	8
73	73
74	2
75	15
76	4
77	7
78	6
79	79
80	8

[1, 2, 3, 2, 5, 2, 7, 4, 3, 2, 11, 4, 13, 2, 3, 4, 17, 6, 19, 4, 3, 2, 23, 4, 5, 2, 9, 4, 29, 6, 31, 8, 3, 2, 5, 4, 37, 2, 3, 4, 41, 6, 43, 4, 9, 2, 47, 8, 7, 10, 3, 4, 53, 6, 5, 4, 3, 2, 59, 4, 61, 2, 9, 8, 5, 6, 67, 4, 3, 10, 71, 8, 73, 2, 15, 4, 7, 6, 79, 8]

cp's OEIS Frontend

A347043 Smallest 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	2
7	7
8	4
9	3
10	2
11	11
12	4
13	13
14	2
15	3
16	4
17	17
18	6
19	19
20	4
21	3
22	2
23	23
24	4
25	5
26	2
27	9
28	4
29	29
30	6
31	31
32	8
33	3
34	2
35	5
36	4
37	37
38	2
39	3
40	4
41	41
42	6
43	43
44	4
45	9
46	2
47	47
48	8
49	7
50	10
51	3
52	4
53	53
54	6
55	5
56	4
57	3
58	2
59	59
60	4
61	61
62	2
63	9
64	8
65	5
66	6
67	67
68	4
69	3
70	10
71	71
72	8
73	73
74	2
75	15
76	4
77	7
78	6
79	79
80	8

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

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