A046257 - cp's OEIS frontend

A046257 a(1) = 7; 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	7
2	9
3	19
4	27
5	47
6	57
7	61
8	81
9	179
10	211
11	251
12	273
13	373
14	477
15	581
16	753
17	847
18	909
19	909
20	939
21	957
22	1173
23	1311
24	1343
25	1543
26	1619
27	1693
28	1739
29	1879
30	1971
31	2141
32	2523
33	2653
34	2729
35	2863
36	3201
37	3293
38	3411
39	3621
40	3753
41	5023
42	5421
43	5459
44	5481
45	6403
46	6827
47	7041
48	7669

[7, 9, 19, 27, 47, 57, 61, 81, 179, 211, 251, 273, 373, 477, 581, 753, 847, 909, 909, 939, 957, 1173, 1311, 1343, 1543, 1619, 1693, 1739, 1879, 1971, 2141, 2523, 2653, 2729, 2863, 3201, 3293, 3411, 3621, 3753, 5023, 5421, 5459, 5481, 6403, 6827, 7041, 7669]

cp's OEIS Frontend

A046257 a(1) = 7; 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