A324646 - cp's OEIS frontend

A324646 a(n) = gcd(n, A276086(n-1)).

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

[1, 2, 3, 2, 1, 6, 1, 2, 3, 10, 1, 6, 1, 2, 15, 2, 1, 18, 1, 10, 3, 2, 1, 6, 25, 2, 3, 2, 1, 30, 1, 2, 3, 2, 7, 18, 1, 2, 3, 10, 1, 42, 1, 2, 15, 2, 1, 6, 7, 50, 3, 2, 1, 18, 5, 14, 3, 2, 1, 30, 1, 2, 21, 2, 1, 6, 1, 2, 3, 70, 1, 18, 1, 2, 75, 2, 7, 6, 1, 10, 3, 2, 1, 42, 5, 2, 3, 2, 1, 90, 7, 2, 3, 2, 1, 6, 1, 98, 3, 10, 1, 6, 1, 2, 105]

cp's OEIS Frontend

A324646 a(n) = gcd(n, A276086(n-1)).

Table of values

List of values

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

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

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