A380011 - cp's OEIS frontend

A380011 Beginning with 7, least prime such that the reversal concatenation of the first n terms is prime.

n	a(n)
1	7
2	3
3	3
4	13
5	3
6	2
7	13
8	47
9	43
10	47
11	37
12	41
13	109
14	41
15	139
16	149
17	109
18	263
19	73
20	563
21	163
22	41
23	19
24	797
25	61
26	107
27	31
28	821
29	43
30	149
31	37
32	953
33	211
34	89
35	547
36	353
37	337
38	167
39	67
40	239
41	1009
42	449
43	97
44	23
45	349
46	41
47	31
48	911
49	61
50	929
51	229
52	797
53	331
54	191
55	463
56	107
57	463
58	809
59	2887
60	971

[7, 3, 3, 13, 3, 2, 13, 47, 43, 47, 37, 41, 109, 41, 139, 149, 109, 263, 73, 563, 163, 41, 19, 797, 61, 107, 31, 821, 43, 149, 37, 953, 211, 89, 547, 353, 337, 167, 67, 239, 1009, 449, 97, 23, 349, 41, 31, 911, 61, 929, 229, 797, 331, 191, 463, 107, 463, 809, 2887, 971]

cp's OEIS Frontend

A380011 Beginning with 7, least prime such that the reversal concatenation of the first n terms is prime.

Table of values

List of values