A084126 - cp's OEIS frontend

A084126 Prime factor <= other prime factor of n-th semiprime.

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	2
9	5
10	2
11	3
12	2
13	5
14	2
15	3
16	2
17	7
18	3
19	5
20	3
21	2
22	2
23	5
24	3
25	2
26	7
27	2
28	5
29	2
30	3
31	7
32	3
33	2
34	5
35	2
36	3
37	5
38	2
39	7
40	11
41	2
42	3
43	3
44	7
45	2
46	3
47	2
48	11
49	5
50	2
51	5
52	2
53	3
54	7
55	2
56	13
57	3
58	2
59	3
60	5
61	11
62	2
63	3
64	2
65	7
66	5
67	2
68	11
69	3
70	2
71	5
72	7
73	2
74	3
75	13
76	2
77	5
78	3
79	13
80	3
81	11
82	2
83	7
84	2
85	5
86	3
87	2
88	2
89	7
90	17
91	3
92	5
93	2
94	13
95	7
96	2
97	3
98	5
99	3
100	2

[2, 2, 3, 2, 2, 3, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 7, 3, 5, 3, 2, 2, 5, 3, 2, 7, 2, 5, 2, 3, 7, 3, 2, 5, 2, 3, 5, 2, 7, 11, 2, 3, 3, 7, 2, 3, 2, 11, 5, 2, 5, 2, 3, 7, 2, 13, 3, 2, 3, 5, 11, 2, 3, 2, 7, 5, 2, 11, 3, 2, 5, 7, 2, 3, 13, 2, 5, 3, 13, 3, 11, 2, 7, 2, 5, 3, 2, 2, 7, 17, 3, 5, 2, 13, 7, 2, 3, 5, 3, 2]

cp's OEIS Frontend

A084126 Prime factor <= other prime factor of n-th semiprime.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	2
9	5
10	2
11	3
12	2
13	5
14	2
15	3
16	2
17	7
18	3
19	5
20	3
21	2
22	2
23	5
24	3
25	2
26	7
27	2
28	5
29	2
30	3
31	7
32	3
33	2
34	5
35	2
36	3
37	5
38	2
39	7
40	11
41	2
42	3
43	3
44	7
45	2
46	3
47	2
48	11
49	5
50	2
51	5
52	2
53	3
54	7
55	2
56	13
57	3
58	2
59	3
60	5
61	11
62	2
63	3
64	2
65	7
66	5
67	2
68	11
69	3
70	2
71	5
72	7
73	2
74	3
75	13
76	2
77	5
78	3
79	13
80	3
81	11
82	2
83	7
84	2
85	5
86	3
87	2
88	2
89	7
90	17
91	3
92	5
93	2
94	13
95	7
96	2
97	3
98	5
99	3
100	2

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	2
9	5
10	2
11	3
12	2
13	5
14	2
15	3
16	2
17	7
18	3
19	5
20	3
21	2
22	2
23	5
24	3
25	2
26	7
27	2
28	5
29	2
30	3
31	7
32	3
33	2
34	5
35	2
36	3
37	5
38	2
39	7
40	11
41	2
42	3
43	3
44	7
45	2
46	3
47	2
48	11
49	5
50	2
51	5
52	2
53	3
54	7
55	2
56	13
57	3
58	2
59	3
60	5
61	11
62	2
63	3
64	2
65	7
66	5
67	2
68	11
69	3
70	2
71	5
72	7
73	2
74	3
75	13
76	2
77	5
78	3
79	13
80	3
81	11
82	2
83	7
84	2
85	5
86	3
87	2
88	2
89	7
90	17
91	3
92	5
93	2
94	13
95	7
96	2
97	3
98	5
99	3
100	2

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	2
9	5
10	2
11	3
12	2
13	5
14	2
15	3
16	2
17	7
18	3
19	5
20	3
21	2
22	2
23	5
24	3
25	2
26	7
27	2
28	5
29	2
30	3
31	7
32	3
33	2
34	5
35	2
36	3
37	5
38	2
39	7
40	11
41	2
42	3
43	3
44	7
45	2
46	3
47	2
48	11
49	5
50	2
51	5
52	2
53	3
54	7
55	2
56	13
57	3
58	2
59	3
60	5
61	11
62	2
63	3
64	2
65	7
66	5
67	2
68	11
69	3
70	2
71	5
72	7
73	2
74	3
75	13
76	2
77	5
78	3
79	13
80	3
81	11
82	2
83	7
84	2
85	5
86	3
87	2
88	2
89	7
90	17
91	3
92	5
93	2
94	13
95	7
96	2
97	3
98	5
99	3
100	2