A102502 - cp's OEIS frontend

A102502 Values of n for which the concatenation 9nn9 (from sequence A102484) are primes.

n	a(n)
1	10
2	13
3	16
4	17
5	20
6	23
7	28
8	31
9	35
10	37
11	46
12	53
13	56
14	61
15	65
16	68
17	74
18	82
19	94
20	95
21	98
22	1010
23	1013
24	1018
25	1042
26	1048
27	1051
28	1052
29	1063
30	1072
31	1073
32	1082
33	1103
34	1114
35	1124
36	1129
37	1139
38	1142
39	1171
40	1192
41	1193
42	1195
43	1208
44	1214
45	1240
46	1241
47	1244
48	1249
49	1258
50	1271

[10, 13, 16, 17, 20, 23, 28, 31, 35, 37, 46, 53, 56, 61, 65, 68, 74, 82, 94, 95, 98, 1010, 1013, 1018, 1042, 1048, 1051, 1052, 1063, 1072, 1073, 1082, 1103, 1114, 1124, 1129, 1139, 1142, 1171, 1192, 1193, 1195, 1208, 1214, 1240, 1241, 1244, 1249, 1258, 1271]

cp's OEIS Frontend

A102502 Values of n for which the concatenation 9nn9 (from sequence A102484) are primes.

Table of values

List of values