A074336 - cp's OEIS frontend

A074336 a(1) = 1; 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	1
2	3
3	7
4	11
5	13
6	29
7	37
8	113
9	121
10	149
11	151
12	201
13	219
14	251
15	451
16	453
17	573
18	669
19	689
20	697
21	749
22	913
23	969
24	1157
25	1269
26	1503
27	1531
28	1809
29	2087
30	2163
31	2179
32	2511
33	2537
34	2599
35	2709
36	2789
37	2929
38	3243
39	3989
40	4033
41	4151
42	5019
43	5389
44	5423
45	5599
46	6179
47	6433
48	8267

[1, 3, 7, 11, 13, 29, 37, 113, 121, 149, 151, 201, 219, 251, 451, 453, 573, 669, 689, 697, 749, 913, 969, 1157, 1269, 1503, 1531, 1809, 2087, 2163, 2179, 2511, 2537, 2599, 2709, 2789, 2929, 3243, 3989, 4033, 4151, 5019, 5389, 5423, 5599, 6179, 6433, 8267]

cp's OEIS Frontend

A074336 a(1) = 1; 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