A090263 - cp's OEIS frontend

A090263 Numbers n such that the strings n3n and 3n3 are both prime.

n	a(n)
1	1
2	37
3	41
4	53
5	59
6	79
7	83
8	119
9	133
10	151
11	179
12	197
13	223
14	241
15	263
16	283
17	299
18	349
19	361
20	377
21	427
22	461
23	553
24	559
25	593
26	599
27	637
28	643
29	671
30	769
31	781
32	827
33	923
34	973
35	1103
36	1117
37	1171
38	1327
39	1333
40	1361
41	1393
42	1399
43	1481
44	1493
45	1537
46	1549
47	1561
48	1619
49	1649
50	1823

[1, 37, 41, 53, 59, 79, 83, 119, 133, 151, 179, 197, 223, 241, 263, 283, 299, 349, 361, 377, 427, 461, 553, 559, 593, 599, 637, 643, 671, 769, 781, 827, 923, 973, 1103, 1117, 1171, 1327, 1333, 1361, 1393, 1399, 1481, 1493, 1537, 1549, 1561, 1619, 1649, 1823]

cp's OEIS Frontend

A090263 Numbers n such that the strings n3n and 3n3 are both prime.

Table of values

List of values