A292269 - cp's OEIS frontend

A292269 If n is 1 or a prime, then a(n) = 1, otherwise a(n) = the third smallest divisor of n.

n	a(n)
1	1
2	1
3	1
4	4
5	1
6	3
7	1
8	4
9	9
10	5
11	1
12	3
13	1
14	7
15	5
16	4
17	1
18	3
19	1
20	4
21	7
22	11
23	1
24	3
25	25
26	13
27	9
28	4
29	1
30	3
31	1
32	4
33	11
34	17
35	7
36	3
37	1
38	19
39	13
40	4
41	1
42	3
43	1
44	4
45	5
46	23
47	1
48	3
49	49
50	5
51	17
52	4
53	1
54	3
55	11
56	4
57	19
58	29
59	1
60	3
61	1
62	31
63	7
64	4
65	13
66	3
67	1
68	4
69	23
70	5
71	1
72	3
73	1
74	37
75	5
76	4
77	11
78	3
79	1
80	4
81	9
82	41
83	1
84	3
85	17
86	43
87	29
88	4
89	1
90	3
91	13
92	4
93	31
94	47
95	19
96	3
97	1
98	7
99	9
100	4
101	1
102	3
103	1
104	4
105	5

[1, 1, 1, 4, 1, 3, 1, 4, 9, 5, 1, 3, 1, 7, 5, 4, 1, 3, 1, 4, 7, 11, 1, 3, 25, 13, 9, 4, 1, 3, 1, 4, 11, 17, 7, 3, 1, 19, 13, 4, 1, 3, 1, 4, 5, 23, 1, 3, 49, 5, 17, 4, 1, 3, 11, 4, 19, 29, 1, 3, 1, 31, 7, 4, 13, 3, 1, 4, 23, 5, 1, 3, 1, 37, 5, 4, 11, 3, 1, 4, 9, 41, 1, 3, 17, 43, 29, 4, 1, 3, 13, 4, 31, 47, 19, 3, 1, 7, 9, 4, 1, 3, 1, 4, 5]

cp's OEIS Frontend

A292269 If n is 1 or a prime, then a(n) = 1, otherwise a(n) = the third smallest divisor of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	4
5	1
6	3
7	1
8	4
9	9
10	5
11	1
12	3
13	1
14	7
15	5
16	4
17	1
18	3
19	1
20	4
21	7
22	11
23	1
24	3
25	25
26	13
27	9
28	4
29	1
30	3
31	1
32	4
33	11
34	17
35	7
36	3
37	1
38	19
39	13
40	4
41	1
42	3
43	1
44	4
45	5
46	23
47	1
48	3
49	49
50	5
51	17
52	4
53	1
54	3
55	11
56	4
57	19
58	29
59	1
60	3
61	1
62	31
63	7
64	4
65	13
66	3
67	1
68	4
69	23
70	5
71	1
72	3
73	1
74	37
75	5
76	4
77	11
78	3
79	1
80	4
81	9
82	41
83	1
84	3
85	17
86	43
87	29
88	4
89	1
90	3
91	13
92	4
93	31
94	47
95	19
96	3
97	1
98	7
99	9
100	4
101	1
102	3
103	1
104	4
105	5

n	a(n)
1	1
2	1
3	1
4	4
5	1
6	3
7	1
8	4
9	9
10	5
11	1
12	3
13	1
14	7
15	5
16	4
17	1
18	3
19	1
20	4
21	7
22	11
23	1
24	3
25	25
26	13
27	9
28	4
29	1
30	3
31	1
32	4
33	11
34	17
35	7
36	3
37	1
38	19
39	13
40	4
41	1
42	3
43	1
44	4
45	5
46	23
47	1
48	3
49	49
50	5
51	17
52	4
53	1
54	3
55	11
56	4
57	19
58	29
59	1
60	3
61	1
62	31
63	7
64	4
65	13
66	3
67	1
68	4
69	23
70	5
71	1
72	3
73	1
74	37
75	5
76	4
77	11
78	3
79	1
80	4
81	9
82	41
83	1
84	3
85	17
86	43
87	29
88	4
89	1
90	3
91	13
92	4
93	31
94	47
95	19
96	3
97	1
98	7
99	9
100	4
101	1
102	3
103	1
104	4
105	5

n	a(n)
1	1
2	1
3	1
4	4
5	1
6	3
7	1
8	4
9	9
10	5
11	1
12	3
13	1
14	7
15	5
16	4
17	1
18	3
19	1
20	4
21	7
22	11
23	1
24	3
25	25
26	13
27	9
28	4
29	1
30	3
31	1
32	4
33	11
34	17
35	7
36	3
37	1
38	19
39	13
40	4
41	1
42	3
43	1
44	4
45	5
46	23
47	1
48	3
49	49
50	5
51	17
52	4
53	1
54	3
55	11
56	4
57	19
58	29
59	1
60	3
61	1
62	31
63	7
64	4
65	13
66	3
67	1
68	4
69	23
70	5
71	1
72	3
73	1
74	37
75	5
76	4
77	11
78	3
79	1
80	4
81	9
82	41
83	1
84	3
85	17
86	43
87	29
88	4
89	1
90	3
91	13
92	4
93	31
94	47
95	19
96	3
97	1
98	7
99	9
100	4
101	1
102	3
103	1
104	4
105	5