A052248 - cp's OEIS frontend

A052248 Greatest prime divisor of all composite numbers between p and next prime.

n	a(n)
2	2
3	3
4	5
5	3
6	7
7	3
8	11
9	13
10	5
11	17
12	19
13	7
14	23
15	17
16	29
17	5
18	31
19	23
20	3
21	37
22	41
23	43
24	47
25	11
26	17
27	53
28	3
29	37
30	61
31	43
32	67
33	23
34	73
35	5
36	31
37	79
38	83
39	43
40	89
41	5
42	61
43	3
44	97
45	11
46	103
47	109
48	113
49	19
50	29
51	79
52	5
53	83
54	127
55	131
56	89
57	5
58	137
59	139
60	47
61	97
62	151
63	103
64	13
65	157
66	163
67	167
68	173
69	29
70	13

[2, 3, 5, 3, 7, 3, 11, 13, 5, 17, 19, 7, 23, 17, 29, 5, 31, 23, 3, 37, 41, 43, 47, 11, 17, 53, 3, 37, 61, 43, 67, 23, 73, 5, 31, 79, 83, 43, 89, 5, 61, 3, 97, 11, 103, 109, 113, 19, 29, 79, 5, 83, 127, 131, 89, 5, 137, 139, 47, 97, 151, 103, 13, 157, 163, 167, 173, 29, 13]

cp's OEIS Frontend

A052248 Greatest prime divisor of all composite numbers between p and next prime.

Table of values

List of values

n	a(n)
2	2
3	3
4	5
5	3
6	7
7	3
8	11
9	13
10	5
11	17
12	19
13	7
14	23
15	17
16	29
17	5
18	31
19	23
20	3
21	37
22	41
23	43
24	47
25	11
26	17
27	53
28	3
29	37
30	61
31	43
32	67
33	23
34	73
35	5
36	31
37	79
38	83
39	43
40	89
41	5
42	61
43	3
44	97
45	11
46	103
47	109
48	113
49	19
50	29
51	79
52	5
53	83
54	127
55	131
56	89
57	5
58	137
59	139
60	47
61	97
62	151
63	103
64	13
65	157
66	163
67	167
68	173
69	29
70	13

n	a(n)
2	2
3	3
4	5
5	3
6	7
7	3
8	11
9	13
10	5
11	17
12	19
13	7
14	23
15	17
16	29
17	5
18	31
19	23
20	3
21	37
22	41
23	43
24	47
25	11
26	17
27	53
28	3
29	37
30	61
31	43
32	67
33	23
34	73
35	5
36	31
37	79
38	83
39	43
40	89
41	5
42	61
43	3
44	97
45	11
46	103
47	109
48	113
49	19
50	29
51	79
52	5
53	83
54	127
55	131
56	89
57	5
58	137
59	139
60	47
61	97
62	151
63	103
64	13
65	157
66	163
67	167
68	173
69	29
70	13

n	a(n)
2	2
3	3
4	5
5	3
6	7
7	3
8	11
9	13
10	5
11	17
12	19
13	7
14	23
15	17
16	29
17	5
18	31
19	23
20	3
21	37
22	41
23	43
24	47
25	11
26	17
27	53
28	3
29	37
30	61
31	43
32	67
33	23
34	73
35	5
36	31
37	79
38	83
39	43
40	89
41	5
42	61
43	3
44	97
45	11
46	103
47	109
48	113
49	19
50	29
51	79
52	5
53	83
54	127
55	131
56	89
57	5
58	137
59	139
60	47
61	97
62	151
63	103
64	13
65	157
66	163
67	167
68	173
69	29
70	13