A236388 - cp's OEIS frontend

A236388 Primes in order of first appearance among the prime factors of p+1 where p is a prime.

n	a(n)
1	3
2	2
3	7
4	5
5	19
6	11
7	31
8	17
9	37
10	13
11	23
12	79
13	41
14	29
15	97
16	53
17	43
18	139
19	47
20	71
21	157
22	83
23	59
24	199
25	67
26	211
27	229
28	61
29	131
30	271
31	137
32	307
33	103
34	107
35	109
36	331
37	337
38	113
39	173
40	367
41	379
42	127
43	197
44	439
45	227
46	163
47	499
48	101
49	73
50	263
51	547
52	281
53	577
54	293
55	601
56	607

[3, 2, 7, 5, 19, 11, 31, 17, 37, 13, 23, 79, 41, 29, 97, 53, 43, 139, 47, 71, 157, 83, 59, 199, 67, 211, 229, 61, 131, 271, 137, 307, 103, 107, 109, 331, 337, 113, 173, 367, 379, 127, 197, 439, 227, 163, 499, 101, 73, 263, 547, 281, 577, 293, 601, 607]

cp's OEIS Frontend

A236388 Primes in order of first appearance among the prime factors of p+1 where p is a prime.

Table of values

List of values

n	a(n)
1	3
2	2
3	7
4	5
5	19
6	11
7	31
8	17
9	37
10	13
11	23
12	79
13	41
14	29
15	97
16	53
17	43
18	139
19	47
20	71
21	157
22	83
23	59
24	199
25	67
26	211
27	229
28	61
29	131
30	271
31	137
32	307
33	103
34	107
35	109
36	331
37	337
38	113
39	173
40	367
41	379
42	127
43	197
44	439
45	227
46	163
47	499
48	101
49	73
50	263
51	547
52	281
53	577
54	293
55	601
56	607

n	a(n)
1	3
2	2
3	7
4	5
5	19
6	11
7	31
8	17
9	37
10	13
11	23
12	79
13	41
14	29
15	97
16	53
17	43
18	139
19	47
20	71
21	157
22	83
23	59
24	199
25	67
26	211
27	229
28	61
29	131
30	271
31	137
32	307
33	103
34	107
35	109
36	331
37	337
38	113
39	173
40	367
41	379
42	127
43	197
44	439
45	227
46	163
47	499
48	101
49	73
50	263
51	547
52	281
53	577
54	293
55	601
56	607

n	a(n)
1	3
2	2
3	7
4	5
5	19
6	11
7	31
8	17
9	37
10	13
11	23
12	79
13	41
14	29
15	97
16	53
17	43
18	139
19	47
20	71
21	157
22	83
23	59
24	199
25	67
26	211
27	229
28	61
29	131
30	271
31	137
32	307
33	103
34	107
35	109
36	331
37	337
38	113
39	173
40	367
41	379
42	127
43	197
44	439
45	227
46	163
47	499
48	101
49	73
50	263
51	547
52	281
53	577
54	293
55	601
56	607