A160180 - cp's OEIS frontend

A160180 Largest proper divisor of the n-th composite number.

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

[2, 3, 4, 3, 5, 6, 7, 5, 8, 9, 10, 7, 11, 12, 5, 13, 9, 14, 15, 16, 11, 17, 7, 18, 19, 13, 20, 21, 22, 15, 23, 24, 7, 25, 17, 26, 27, 11, 28, 19, 29, 30, 31, 21, 32, 13, 33, 34, 23, 35, 36, 37, 25, 38, 11, 39, 40, 27, 41, 42, 17, 43, 29, 44, 45, 13, 46, 31, 47, 19, 48, 49, 33, 50, 51, 52]

cp's OEIS Frontend

A160180 Largest proper divisor of the n-th composite number.

Table of values

List of values

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

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

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