A342979 - cp's OEIS frontend

A342979 a(1) = 2. For n > 1, a(n) is the smallest prime p > a(n-1) such that a(n-1) + p is a 4-almost prime (A014613).

n	a(n)
1	2
2	79
3	131
4	163
5	167
6	173
7	191
8	199
9	263
10	269
11	277
12	281
13	283
14	337
15	349
16	359
17	367
18	373
19	397
20	401
21	419
22	431
23	439
24	491
25	521
26	541
27	557
28	593
29	599
30	607
31	613
32	617
33	619
34	659
35	677
36	733
37	751
38	757
39	761
40	811
41	857
42	877
43	907
44	911
45	919
46	1009
47	1021
48	1039
49	1051
50	1097
51	1129
52	1163
53	1181
54	1237
55	1279

[2, 79, 131, 163, 167, 173, 191, 199, 263, 269, 277, 281, 283, 337, 349, 359, 367, 373, 397, 401, 419, 431, 439, 491, 521, 541, 557, 593, 599, 607, 613, 617, 619, 659, 677, 733, 751, 757, 761, 811, 857, 877, 907, 911, 919, 1009, 1021, 1039, 1051, 1097, 1129, 1163, 1181, 1237, 1279]

cp's OEIS Frontend

A342979 a(1) = 2. For n > 1, a(n) is the smallest prime p > a(n-1) such that a(n-1) + p is a 4-almost prime (A014613).

Table of values

List of values