A079149 - cp's OEIS frontend

A079149 Primes p such that either p-1 or p+1 has at most 2 prime factors, counted with multiplicity; i.e., primes p such that either bigomega(p-1) <= 2 or bigomega(p+1) <= 2, where bigomega(n) = A001222(n).

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	23
8	37
9	47
10	59
11	61
12	73
13	83
14	107
15	157
16	167
17	179
18	193
19	227
20	263
21	277
22	313
23	347
24	359
25	383
26	397
27	421
28	457
29	467
30	479
31	503
32	541
33	563
34	587
35	613
36	661
37	673
38	719
39	733
40	757
41	839
42	863
43	877
44	887
45	983
46	997
47	1019
48	1093
49	1153
50	1187
51	1201
52	1213
53	1237

[2, 3, 5, 7, 11, 13, 23, 37, 47, 59, 61, 73, 83, 107, 157, 167, 179, 193, 227, 263, 277, 313, 347, 359, 383, 397, 421, 457, 467, 479, 503, 541, 563, 587, 613, 661, 673, 719, 733, 757, 839, 863, 877, 887, 983, 997, 1019, 1093, 1153, 1187, 1201, 1213, 1237]

cp's OEIS Frontend

A079149 Primes p such that either p-1 or p+1 has at most 2 prime factors, counted with multiplicity; i.e., primes p such that either bigomega(p-1) <= 2 or bigomega(p+1) <= 2, where bigomega(n) = A001222(n).

Table of values

List of values