A115103 - cp's OEIS frontend

A115103 Primes p such that p-1 and p+1 have the same number of prime factors with multiplicity.

n	a(n)
1	5
2	19
3	29
4	43
5	67
6	89
7	151
8	173
9	197
10	233
11	271
12	283
13	307
14	317
15	349
16	461
17	491
18	569
19	571
20	593
21	653
22	701
23	739
24	751
25	787
26	857
27	859
28	907
29	919
30	1013
31	1061
32	1097
33	1277
34	1291
35	1303
36	1483
37	1667
38	1747
39	1831
40	1867
41	1889
42	1913
43	1973
44	2003
45	2083
46	2131
47	2311
48	2357
49	2393

[5, 19, 29, 43, 67, 89, 151, 173, 197, 233, 271, 283, 307, 317, 349, 461, 491, 569, 571, 593, 653, 701, 739, 751, 787, 857, 859, 907, 919, 1013, 1061, 1097, 1277, 1291, 1303, 1483, 1667, 1747, 1831, 1867, 1889, 1913, 1973, 2003, 2083, 2131, 2311, 2357, 2393]

cp's OEIS Frontend

A115103 Primes p such that p-1 and p+1 have the same number of prime factors with multiplicity.

Table of values

List of values