A083966 - cp's OEIS frontend

A083966 Numbers n such that the concatenation 2n3n5n7 is prime.

n	a(n)
1	1
2	6
3	8
4	9
5	16
6	17
7	18
8	21
9	23
10	24
11	29
12	32
13	39
14	64
15	70
16	78
17	84
18	85
19	98
20	1000
21	1005
22	1013
23	1033
24	1038
25	1041
26	1047
27	1056
28	1065
29	1066
30	1076
31	1087
32	1091
33	1102
34	1107
35	1109
36	1115
37	1118
38	1121
39	1137
40	1139
41	1152
42	1156
43	1164
44	1167
45	1171
46	1173
47	1185
48	1199
49	1220
50	1241

[1, 6, 8, 9, 16, 17, 18, 21, 23, 24, 29, 32, 39, 64, 70, 78, 84, 85, 98, 1000, 1005, 1013, 1033, 1038, 1041, 1047, 1056, 1065, 1066, 1076, 1087, 1091, 1102, 1107, 1109, 1115, 1118, 1121, 1137, 1139, 1152, 1156, 1164, 1167, 1171, 1173, 1185, 1199, 1220, 1241]

cp's OEIS Frontend

A083966 Numbers n such that the concatenation 2n3n5n7 is prime.

Table of values

List of values