A074339 - cp's OEIS frontend

A074339 a(1) = 3; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.

n	a(n)
1	3
2	7
3	9
4	51
5	57
6	103
7	119
8	121
9	183
10	293
11	301
12	351
13	447
14	479
15	577
16	741
17	839
18	1051
19	1277
20	1431
21	1633
22	1877
23	2043
24	2251
25	2303
26	2659
27	2937
28	3447
29	3897
30	3969
31	4059
32	4179
33	4371
34	4389
35	4563
36	4841
37	4903
38	5097
39	5103
40	5369
41	5689
42	6621
43	6831
44	6927
45	7479
46	9227
47	9351

[3, 7, 9, 51, 57, 103, 119, 121, 183, 293, 301, 351, 447, 479, 577, 741, 839, 1051, 1277, 1431, 1633, 1877, 2043, 2251, 2303, 2659, 2937, 3447, 3897, 3969, 4059, 4179, 4371, 4389, 4563, 4841, 4903, 5097, 5103, 5369, 5689, 6621, 6831, 6927, 7479, 9227, 9351]

cp's OEIS Frontend

A074339 a(1) = 3; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.

Table of values

List of values