A069608 - cp's OEIS frontend

A069608 a(1) = 6; a(n) = smallest number such that the juxtaposition a(1)a(2)...a(n) is a prime.

n	a(n)
1	6
2	1
3	3
4	1
5	41
6	19
7	17
8	1
9	81
10	27
11	89
12	3
13	79
14	29
15	1
16	111
17	29
18	13
19	119
20	207
21	21
22	33
23	19
24	413
25	49
26	71
27	183
28	223
29	153
30	21
31	261
32	369
33	29
34	319
35	107
36	1
37	273
38	81
39	711
40	507
41	87
42	579
43	401
44	7
45	33
46	771
47	477
48	33
49	371
50	91
51	1559
52	357
53	297
54	9
55	177
56	523
57	77
58	103
59	167
60	199
61	143
62	199

[6, 1, 3, 1, 41, 19, 17, 1, 81, 27, 89, 3, 79, 29, 1, 111, 29, 13, 119, 207, 21, 33, 19, 413, 49, 71, 183, 223, 153, 21, 261, 369, 29, 319, 107, 1, 273, 81, 711, 507, 87, 579, 401, 7, 33, 771, 477, 33, 371, 91, 1559, 357, 297, 9, 177, 523, 77, 103, 167, 199, 143, 199]

cp's OEIS Frontend

A069608 a(1) = 6; a(n) = smallest number such that the juxtaposition a(1)a(2)...a(n) is a prime.

Table of values

List of values