A217062 - cp's OEIS frontend

A217062 Primes that remain prime when a single "9" digit is inserted between any two adjacent digits.

n	a(n)
1	11
2	13
3	17
4	19
5	23
6	37
7	41
8	53
9	59
10	61
11	97
12	101
13	107
14	113
15	149
16	193
17	197
18	199
19	227
20	239
21	263
22	269
23	271
24	311
25	331
26	367
27	409
28	431
29	443
30	457
31	499
32	587
33	617
34	659
35	661
36	691
37	727
38	733
39	751
40	823
41	863
42	941
43	967
44	1009
45	1423
46	1571
47	1709
48	1759
49	1973
50	1993
51	1997
52	2063
53	2137

[11, 13, 17, 19, 23, 37, 41, 53, 59, 61, 97, 101, 107, 113, 149, 193, 197, 199, 227, 239, 263, 269, 271, 311, 331, 367, 409, 431, 443, 457, 499, 587, 617, 659, 661, 691, 727, 733, 751, 823, 863, 941, 967, 1009, 1423, 1571, 1709, 1759, 1973, 1993, 1997, 2063, 2137]

cp's OEIS Frontend

A217062 Primes that remain prime when a single "9" digit is inserted between any two adjacent digits.

Table of values

List of values