A365928 - cp's OEIS frontend

A365928 Smallest prime factor of f(n) = 10^(2*n) + (10^n - 1)/9.

n	a(n)
1	101
2	3
3	7
4	7
5	3
6	317
7	40637
8	3
9	7
10	7
11	3
12	1487
13	101
14	3
15	7
16	7
17	3
18	39855301
19	641
20	3
21	7
22	7
23	3
24	162340676822011484150719
25	101
26	3
27	7
28	7
29	3
30	121068683
31	47
32	3
33	7
34	7
35	3
36	107
37	71
38	3
39	7
40	7
41	3
42	67
43	695841737
44	3
45	7
46	7
47	3
48	47
49	101
50	3
51	7
52	7
53	3
54	8933
55	677
56	3
57	7
58	7
59	3
60	10305833206337

[101, 3, 7, 7, 3, 317, 40637, 3, 7, 7, 3, 1487, 101, 3, 7, 7, 3, 39855301, 641, 3, 7, 7, 3, 162340676822011484150719, 101, 3, 7, 7, 3, 121068683, 47, 3, 7, 7, 3, 107, 71, 3, 7, 7, 3, 67, 695841737, 3, 7, 7, 3, 47, 101, 3, 7, 7, 3, 8933, 677, 3, 7, 7, 3, 10305833206337]

cp's OEIS Frontend

A365928 Smallest prime factor of f(n) = 10^(2*n) + (10^n - 1)/9.

Table of values

List of values