A111524 - cp's OEIS frontend

A111524 a(1) = 10; 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	10
2	13
3	23
4	49
5	111
6	113
7	171
8	211
9	293
10	309
11	309
12	469
13	639
14	759
15	951
16	1037
17	1057
18	1083
19	1257
20	1269
21	1287
22	1341
23	1551
24	1637
25	1677
26	1981
27	1989
28	2021
29	2059
30	2357
31	2583
32	2697
33	2967
34	3289
35	6789
36	7073
37	7323
38	7369
39	7463
40	7501
41	7709
42	7869
43	8029
44	8069
45	8077
46	8519

[10, 13, 23, 49, 111, 113, 171, 211, 293, 309, 309, 469, 639, 759, 951, 1037, 1057, 1083, 1257, 1269, 1287, 1341, 1551, 1637, 1677, 1981, 1989, 2021, 2059, 2357, 2583, 2697, 2967, 3289, 6789, 7073, 7323, 7369, 7463, 7501, 7709, 7869, 8029, 8069, 8077, 8519]

cp's OEIS Frontend

A111524 a(1) = 10; 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