A348940 - cp's OEIS frontend

A348940 a(n) = gcd(n, A326042(n)), where A326042 is multiplicative function A064989(sigma(A003961(n))).

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

[1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 11, 1, 2, 1, 2, 1, 2, 3, 4, 1, 2, 5, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 4, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 6, 1, 4, 1]

cp's OEIS Frontend

A348940 a(n) = gcd(n, A326042(n)), where A326042 is multiplicative function A064989(sigma(A003961(n))).

Table of values

List of values

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

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

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