A100759 - cp's OEIS frontend

A100759 Beginning with 2, least prime not occurring earlier such that the concatenation of first n terms has the least prime factor prime(n).

n	a(n)
1	2
2	7
3	5
4	17
5	127
6	3
7	347
8	37
9	71
10	829
11	89
12	79
13	311
14	271
15	1103
16	823
17	827
18	7219
19	149
20	499
21	3947
22	6367
23	2861
24	3673
25	13781
26	2281
27	281
28	229
29	353
30	1597
31	191
32	1879
33	2609
34	10993
35	19961
36	4789
37	383
38	1093
39	521
40	13681
41	9227
42	12619
43	8219
44	12037
45	8573
46	7621
47	6029

[2, 7, 5, 17, 127, 3, 347, 37, 71, 829, 89, 79, 311, 271, 1103, 823, 827, 7219, 149, 499, 3947, 6367, 2861, 3673, 13781, 2281, 281, 229, 353, 1597, 191, 1879, 2609, 10993, 19961, 4789, 383, 1093, 521, 13681, 9227, 12619, 8219, 12037, 8573, 7621, 6029]

cp's OEIS Frontend

A100759 Beginning with 2, least prime not occurring earlier such that the concatenation of first n terms has the least prime factor prime(n).

Table of values

List of values