A094521 - cp's OEIS frontend

A094521 a(n) = gcd(n, A094457(n)).

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

[1, 1, 2, 1, 2, 1, 4, 3, 2, 1, 4, 1, 2, 5, 8, 1, 6, 1, 4, 3, 2, 1, 8, 5, 2, 9, 4, 1, 10, 1, 16, 11, 2, 5, 12, 1, 2, 3, 8, 1, 6, 1, 4, 15, 2, 1, 16, 7, 10, 3, 4, 1, 18, 5, 8, 3, 2, 1, 20, 1, 2, 9, 32, 5, 22, 1, 4, 3, 10, 1, 24, 1, 2, 25, 4, 11, 6, 1, 16, 27, 2, 1, 12, 5, 2, 3, 8, 1, 30, 7, 4, 3, 2, 5, 32, 1]

cp's OEIS Frontend

A094521 a(n) = gcd(n, A094457(n)).

Table of values

List of values

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

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

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