A098962 - cp's OEIS frontend

A098962 Smallest sequence such that over all terms each prime p occurs exactly p times as prime factor; a(1)=1.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	11
8	13
9	15
10	17
11	19
12	23
13	25
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	67
26	71
27	73
28	77
29	79
30	83
31	89
32	91
33	97
34	101
35	103
36	107
37	109
38	113
39	119
40	121
41	127
42	131
43	137
44	139
45	143
46	149
47	151
48	157
49	163
50	167
51	169
52	173
53	179
54	181
55	187
56	191
57	193
58	197
59	199
60	209
61	211

[1, 2, 3, 5, 6, 7, 11, 13, 15, 17, 19, 23, 25, 29, 31, 35, 37, 41, 43, 47, 49, 53, 59, 61, 67, 71, 73, 77, 79, 83, 89, 91, 97, 101, 103, 107, 109, 113, 119, 121, 127, 131, 137, 139, 143, 149, 151, 157, 163, 167, 169, 173, 179, 181, 187, 191, 193, 197, 199, 209, 211]

cp's OEIS Frontend

A098962 Smallest sequence such that over all terms each prime p occurs exactly p times as prime factor; a(1)=1.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	11
8	13
9	15
10	17
11	19
12	23
13	25
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	67
26	71
27	73
28	77
29	79
30	83
31	89
32	91
33	97
34	101
35	103
36	107
37	109
38	113
39	119
40	121
41	127
42	131
43	137
44	139
45	143
46	149
47	151
48	157
49	163
50	167
51	169
52	173
53	179
54	181
55	187
56	191
57	193
58	197
59	199
60	209
61	211

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	11
8	13
9	15
10	17
11	19
12	23
13	25
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	67
26	71
27	73
28	77
29	79
30	83
31	89
32	91
33	97
34	101
35	103
36	107
37	109
38	113
39	119
40	121
41	127
42	131
43	137
44	139
45	143
46	149
47	151
48	157
49	163
50	167
51	169
52	173
53	179
54	181
55	187
56	191
57	193
58	197
59	199
60	209
61	211

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	11
8	13
9	15
10	17
11	19
12	23
13	25
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	49
22	53
23	59
24	61
25	67
26	71
27	73
28	77
29	79
30	83
31	89
32	91
33	97
34	101
35	103
36	107
37	109
38	113
39	119
40	121
41	127
42	131
43	137
44	139
45	143
46	149
47	151
48	157
49	163
50	167
51	169
52	173
53	179
54	181
55	187
56	191
57	193
58	197
59	199
60	209
61	211