A353393 - cp's OEIS frontend

A353393 Positive integers m > 1 that are prime or whose prime shadow A181819(m) is a divisor of m that is already in the sequence.

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	17
9	19
10	23
11	29
12	31
13	36
14	37
15	41
16	43
17	47
18	53
19	59
20	61
21	67
22	71
23	73
24	79
25	83
26	89
27	97
28	101
29	103
30	107
31	109
32	113
33	125
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	225
53	227
54	229
55	233
56	239
57	241
58	251

[2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 31, 36, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 125, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 225, 227, 229, 233, 239, 241, 251]

cp's OEIS Frontend

A353393 Positive integers m > 1 that are prime or whose prime shadow A181819(m) is a divisor of m that is already in the sequence.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	17
9	19
10	23
11	29
12	31
13	36
14	37
15	41
16	43
17	47
18	53
19	59
20	61
21	67
22	71
23	73
24	79
25	83
26	89
27	97
28	101
29	103
30	107
31	109
32	113
33	125
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	225
53	227
54	229
55	233
56	239
57	241
58	251

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	17
9	19
10	23
11	29
12	31
13	36
14	37
15	41
16	43
17	47
18	53
19	59
20	61
21	67
22	71
23	73
24	79
25	83
26	89
27	97
28	101
29	103
30	107
31	109
32	113
33	125
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	225
53	227
54	229
55	233
56	239
57	241
58	251

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	17
9	19
10	23
11	29
12	31
13	36
14	37
15	41
16	43
17	47
18	53
19	59
20	61
21	67
22	71
23	73
24	79
25	83
26	89
27	97
28	101
29	103
30	107
31	109
32	113
33	125
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	225
53	227
54	229
55	233
56	239
57	241
58	251