A222566 - cp's OEIS frontend

A222566 a(1)=2; for n>0, a(n+1) is the least prime p>a(n) such that 2*(a(n)+1)-p is prime.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	41
13	43
14	47
15	53
16	61
17	71
18	73
19	89
20	97
21	107
22	109
23	113
24	127
25	149
26	151
27	167
28	173
29	181
30	191
31	193
32	197
33	199
34	227
35	229
36	233
37	239
38	241
39	251
40	263
41	271
42	281
43	283
44	311
45	313
46	317
47	353
48	359
49	367
50	383
51	389
52	397
53	443
54	449
55	457
56	467
57	479
58	499
59	509
60	521
61	523
62	557
63	569
64	571
65	587
66	599
67	601
68	617
69	619
70	641
71	643
72	647
73	653
74	661
75	677
76	683
77	691
78	701
79	727
80	773
81	787
82	857
83	859
84	863
85	907
86	929
87	941
88	947
89	967
90	983
91	991
92	1013
93	1019
94	1021
95	1031
96	1033
97	1049
98	1051
99	1091
100	1093

[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 41, 43, 47, 53, 61, 71, 73, 89, 97, 107, 109, 113, 127, 149, 151, 167, 173, 181, 191, 193, 197, 199, 227, 229, 233, 239, 241, 251, 263, 271, 281, 283, 311, 313, 317, 353, 359, 367, 383, 389, 397, 443, 449, 457, 467, 479, 499, 509, 521, 523, 557, 569, 571, 587, 599, 601, 617, 619, 641, 643, 647, 653, 661, 677, 683, 691, 701, 727, 773, 787, 857, 859, 863, 907, 929, 941, 947, 967, 983, 991, 1013, 1019, 1021, 1031, 1033, 1049, 1051, 1091, 1093]

cp's OEIS Frontend

A222566 a(1)=2; for n>0, a(n+1) is the least prime p>a(n) such that 2*(a(n)+1)-p is prime.

Table of values

List of values