A324384 - cp's OEIS frontend

A324384 a(n) = gcd(n, A276154(n)), where A276154 is the primorial base left shift.

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	1
6	6
7	1
8	4
9	1
10	2
11	11
12	12
13	1
14	2
15	1
16	8
17	1
18	18
19	1
20	4
21	7
22	2
23	1
24	24
25	1
26	2
27	1
28	4
29	1
30	30
31	1
32	8
33	1
34	2
35	7
36	12
37	1
38	2
39	1
40	4
41	1
42	6
43	1
44	4
45	1
46	2
47	1
48	12
49	1
50	2
51	1
52	52
53	1
54	6
55	1
56	56
57	1
58	2
59	1
60	60
61	1
62	2
63	1
64	16
65	1
66	6
67	1
68	4
69	1
70	14
71	1
72	24
73	1
74	2
75	1
76	4
77	1
78	6
79	1
80	4
81	1
82	2
83	1
84	12
85	1
86	2
87	1
88	8
89	1
90	90
91	1
92	4
93	1
94	2
95	1
96	12
97	1
98	2
99	1
100	4
101	1
102	6
103	1
104	8
105	1

[0, 1, 2, 1, 4, 1, 6, 1, 4, 1, 2, 11, 12, 1, 2, 1, 8, 1, 18, 1, 4, 7, 2, 1, 24, 1, 2, 1, 4, 1, 30, 1, 8, 1, 2, 7, 12, 1, 2, 1, 4, 1, 6, 1, 4, 1, 2, 1, 12, 1, 2, 1, 52, 1, 6, 1, 56, 1, 2, 1, 60, 1, 2, 1, 16, 1, 6, 1, 4, 1, 14, 1, 24, 1, 2, 1, 4, 1, 6, 1, 4, 1, 2, 1, 12, 1, 2, 1, 8, 1, 90, 1, 4, 1, 2, 1, 12, 1, 2, 1, 4, 1, 6, 1, 8, 1]

cp's OEIS Frontend

A324384 a(n) = gcd(n, A276154(n)), where A276154 is the primorial base left shift.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	1
6	6
7	1
8	4
9	1
10	2
11	11
12	12
13	1
14	2
15	1
16	8
17	1
18	18
19	1
20	4
21	7
22	2
23	1
24	24
25	1
26	2
27	1
28	4
29	1
30	30
31	1
32	8
33	1
34	2
35	7
36	12
37	1
38	2
39	1
40	4
41	1
42	6
43	1
44	4
45	1
46	2
47	1
48	12
49	1
50	2
51	1
52	52
53	1
54	6
55	1
56	56
57	1
58	2
59	1
60	60
61	1
62	2
63	1
64	16
65	1
66	6
67	1
68	4
69	1
70	14
71	1
72	24
73	1
74	2
75	1
76	4
77	1
78	6
79	1
80	4
81	1
82	2
83	1
84	12
85	1
86	2
87	1
88	8
89	1
90	90
91	1
92	4
93	1
94	2
95	1
96	12
97	1
98	2
99	1
100	4
101	1
102	6
103	1
104	8
105	1

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	1
6	6
7	1
8	4
9	1
10	2
11	11
12	12
13	1
14	2
15	1
16	8
17	1
18	18
19	1
20	4
21	7
22	2
23	1
24	24
25	1
26	2
27	1
28	4
29	1
30	30
31	1
32	8
33	1
34	2
35	7
36	12
37	1
38	2
39	1
40	4
41	1
42	6
43	1
44	4
45	1
46	2
47	1
48	12
49	1
50	2
51	1
52	52
53	1
54	6
55	1
56	56
57	1
58	2
59	1
60	60
61	1
62	2
63	1
64	16
65	1
66	6
67	1
68	4
69	1
70	14
71	1
72	24
73	1
74	2
75	1
76	4
77	1
78	6
79	1
80	4
81	1
82	2
83	1
84	12
85	1
86	2
87	1
88	8
89	1
90	90
91	1
92	4
93	1
94	2
95	1
96	12
97	1
98	2
99	1
100	4
101	1
102	6
103	1
104	8
105	1

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	1
6	6
7	1
8	4
9	1
10	2
11	11
12	12
13	1
14	2
15	1
16	8
17	1
18	18
19	1
20	4
21	7
22	2
23	1
24	24
25	1
26	2
27	1
28	4
29	1
30	30
31	1
32	8
33	1
34	2
35	7
36	12
37	1
38	2
39	1
40	4
41	1
42	6
43	1
44	4
45	1
46	2
47	1
48	12
49	1
50	2
51	1
52	52
53	1
54	6
55	1
56	56
57	1
58	2
59	1
60	60
61	1
62	2
63	1
64	16
65	1
66	6
67	1
68	4
69	1
70	14
71	1
72	24
73	1
74	2
75	1
76	4
77	1
78	6
79	1
80	4
81	1
82	2
83	1
84	12
85	1
86	2
87	1
88	8
89	1
90	90
91	1
92	4
93	1
94	2
95	1
96	12
97	1
98	2
99	1
100	4
101	1
102	6
103	1
104	8
105	1