A138960 - cp's OEIS frontend

A138960 a(n) = smallest prime divisor of A138957(n).

n	a(n)
1	1
2	2
3	3
4	2
5	3
6	2
7	127
8	2
9	3
10	857
11	3
12	3
13	18503
14	3
15	3
16	43
17	3
18	3
19	17
20	2
21	2
22	2
23	2
24	2
25	2
26	2
27	2
28	2
29	2
30	3
31	7
32	3
33	3
34	1051
35	3
36	3
37	67103
38	3
39	3
40	2
41	2
42	2
43	2
44	2
45	2
46	2
47	2
48	2
49	2
50	3
51	3
52	5
53	3
54	3
55	5
56	3
57	3
58	5
59	3
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2

[1, 2, 3, 2, 3, 2, 127, 2, 3, 857, 3, 3, 18503, 3, 3, 43, 3, 3, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 7, 3, 3, 1051, 3, 3, 67103, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A138960 a(n) = smallest prime divisor of A138957(n).

Table of values

List of values