A361328 - cp's OEIS frontend

A361328 a(n) is the least prime factor of A361321(n) with a(1) = 1.

n	a(n)
1	1
2	2
3	2
4	5
5	3
6	3
7	2
8	2
9	7
10	3
11	3
12	5
13	7
14	2
15	2
16	5
17	5
18	2
19	2
20	3
21	3
22	7
23	2
24	2
25	3
26	7
27	7
28	5
29	2
30	2
31	13
32	11
33	2
34	2
35	5
36	3
37	2
38	2
39	5
40	5
41	2
42	2
43	5
44	3
45	3
46	7
47	2
48	2
49	3
50	3
51	7
52	2
53	2
54	3
55	3
56	7
57	2
58	2
59	3
60	3
61	2
62	2
63	3
64	3
65	2
66	2
67	3
68	3
69	2
70	2
71	3
72	3
73	2
74	2
75	3
76	3
77	11
78	2
79	2
80	11
81	11
82	2
83	2
84	13
85	13
86	2
87	2
88	3
89	3
90	5
91	7
92	2
93	2
94	3
95	5
96	5

[1, 2, 2, 5, 3, 3, 2, 2, 7, 3, 3, 5, 7, 2, 2, 5, 5, 2, 2, 3, 3, 7, 2, 2, 3, 7, 7, 5, 2, 2, 13, 11, 2, 2, 5, 3, 2, 2, 5, 5, 2, 2, 5, 3, 3, 7, 2, 2, 3, 3, 7, 2, 2, 3, 3, 7, 2, 2, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 11, 2, 2, 11, 11, 2, 2, 13, 13, 2, 2, 3, 3, 5, 7, 2, 2, 3, 5, 5]

cp's OEIS Frontend

A361328 a(n) is the least prime factor of A361321(n) with a(1) = 1.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	5
5	3
6	3
7	2
8	2
9	7
10	3
11	3
12	5
13	7
14	2
15	2
16	5
17	5
18	2
19	2
20	3
21	3
22	7
23	2
24	2
25	3
26	7
27	7
28	5
29	2
30	2
31	13
32	11
33	2
34	2
35	5
36	3
37	2
38	2
39	5
40	5
41	2
42	2
43	5
44	3
45	3
46	7
47	2
48	2
49	3
50	3
51	7
52	2
53	2
54	3
55	3
56	7
57	2
58	2
59	3
60	3
61	2
62	2
63	3
64	3
65	2
66	2
67	3
68	3
69	2
70	2
71	3
72	3
73	2
74	2
75	3
76	3
77	11
78	2
79	2
80	11
81	11
82	2
83	2
84	13
85	13
86	2
87	2
88	3
89	3
90	5
91	7
92	2
93	2
94	3
95	5
96	5

n	a(n)
1	1
2	2
3	2
4	5
5	3
6	3
7	2
8	2
9	7
10	3
11	3
12	5
13	7
14	2
15	2
16	5
17	5
18	2
19	2
20	3
21	3
22	7
23	2
24	2
25	3
26	7
27	7
28	5
29	2
30	2
31	13
32	11
33	2
34	2
35	5
36	3
37	2
38	2
39	5
40	5
41	2
42	2
43	5
44	3
45	3
46	7
47	2
48	2
49	3
50	3
51	7
52	2
53	2
54	3
55	3
56	7
57	2
58	2
59	3
60	3
61	2
62	2
63	3
64	3
65	2
66	2
67	3
68	3
69	2
70	2
71	3
72	3
73	2
74	2
75	3
76	3
77	11
78	2
79	2
80	11
81	11
82	2
83	2
84	13
85	13
86	2
87	2
88	3
89	3
90	5
91	7
92	2
93	2
94	3
95	5
96	5

n	a(n)
1	1
2	2
3	2
4	5
5	3
6	3
7	2
8	2
9	7
10	3
11	3
12	5
13	7
14	2
15	2
16	5
17	5
18	2
19	2
20	3
21	3
22	7
23	2
24	2
25	3
26	7
27	7
28	5
29	2
30	2
31	13
32	11
33	2
34	2
35	5
36	3
37	2
38	2
39	5
40	5
41	2
42	2
43	5
44	3
45	3
46	7
47	2
48	2
49	3
50	3
51	7
52	2
53	2
54	3
55	3
56	7
57	2
58	2
59	3
60	3
61	2
62	2
63	3
64	3
65	2
66	2
67	3
68	3
69	2
70	2
71	3
72	3
73	2
74	2
75	3
76	3
77	11
78	2
79	2
80	11
81	11
82	2
83	2
84	13
85	13
86	2
87	2
88	3
89	3
90	5
91	7
92	2
93	2
94	3
95	5
96	5