A365966 - cp's OEIS frontend

A365966 Smallest prime factor of f(n) = 10^(2*n+1) + (10^n-1)/9.

n	a(n)
0	2
1	7
2	3
3	11
4	41
5	3
6	61
7	7
8	3
9	11
10	113
11	3
12	53
13	7
14	3
15	11
16	29
17	3
18	17
19	7
20	3
21	11
22	11111111111111111111111
23	3
24	41
25	7
26	3
27	11
28	53
29	3
30	661
31	7
32	3
33	11
34	17
35	3
36	2028119
37	7
38	3
39	11
40	83
41	3
42	173
43	7
44	3
45	11
46	40697
47	3
48	239
49	7
50	3
51	11
52	107
53	3
54	41
55	7
56	3
57	11
58	2836549
59	3
60	733
61	7
62	3
63	11

[2, 7, 3, 11, 41, 3, 61, 7, 3, 11, 113, 3, 53, 7, 3, 11, 29, 3, 17, 7, 3, 11, 11111111111111111111111, 3, 41, 7, 3, 11, 53, 3, 661, 7, 3, 11, 17, 3, 2028119, 7, 3, 11, 83, 3, 173, 7, 3, 11, 40697, 3, 239, 7, 3, 11, 107, 3, 41, 7, 3, 11, 2836549, 3, 733, 7, 3, 11]

cp's OEIS Frontend

A365966 Smallest prime factor of f(n) = 10^(2*n+1) + (10^n-1)/9.

Table of values

List of values