A348505 - cp's OEIS frontend

A348505 a(n) = usigma(n) / gcd(sigma(n), usigma(n)), where sigma is the sum of divisors function, A000203, and usigma is the unitary sigma, A034448.

n	a(n)
1	1
2	1
3	1
4	5
5	1
6	1
7	1
8	3
9	10
10	1
11	1
12	5
13	1
14	1
15	1
16	17
17	1
18	10
19	1
20	5
21	1
22	1
23	1
24	3
25	26
26	1
27	7
28	5
29	1
30	1
31	1
32	11
33	1
34	1
35	1
36	50
37	1
38	1
39	1
40	3
41	1
42	1
43	1
44	5
45	10
46	1
47	1
48	17
49	50
50	26
51	1
52	5
53	1
54	7
55	1
56	3
57	1
58	1
59	1
60	5
61	1
62	1
63	10
64	65
65	1
66	1
67	1
68	5
69	1
70	1
71	1
72	6
73	1
74	1
75	26
76	5
77	1
78	1
79	1
80	17
81	82
82	1
83	1
84	5
85	1
86	1
87	1
88	3
89	1
90	10
91	1
92	5
93	1
94	1
95	1
96	11
97	1
98	50
99	10
100	130

[1, 1, 1, 5, 1, 1, 1, 3, 10, 1, 1, 5, 1, 1, 1, 17, 1, 10, 1, 5, 1, 1, 1, 3, 26, 1, 7, 5, 1, 1, 1, 11, 1, 1, 1, 50, 1, 1, 1, 3, 1, 1, 1, 5, 10, 1, 1, 17, 50, 26, 1, 5, 1, 7, 1, 3, 1, 1, 1, 5, 1, 1, 10, 65, 1, 1, 1, 5, 1, 1, 1, 6, 1, 1, 26, 5, 1, 1, 1, 17, 82, 1, 1, 5, 1, 1, 1, 3, 1, 10, 1, 5, 1, 1, 1, 11, 1, 50, 10, 130]

cp's OEIS Frontend

A348505 a(n) = usigma(n) / gcd(sigma(n), usigma(n)), where sigma is the sum of divisors function, A000203, and usigma is the unitary sigma, A034448.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	5
5	1
6	1
7	1
8	3
9	10
10	1
11	1
12	5
13	1
14	1
15	1
16	17
17	1
18	10
19	1
20	5
21	1
22	1
23	1
24	3
25	26
26	1
27	7
28	5
29	1
30	1
31	1
32	11
33	1
34	1
35	1
36	50
37	1
38	1
39	1
40	3
41	1
42	1
43	1
44	5
45	10
46	1
47	1
48	17
49	50
50	26
51	1
52	5
53	1
54	7
55	1
56	3
57	1
58	1
59	1
60	5
61	1
62	1
63	10
64	65
65	1
66	1
67	1
68	5
69	1
70	1
71	1
72	6
73	1
74	1
75	26
76	5
77	1
78	1
79	1
80	17
81	82
82	1
83	1
84	5
85	1
86	1
87	1
88	3
89	1
90	10
91	1
92	5
93	1
94	1
95	1
96	11
97	1
98	50
99	10
100	130

n	a(n)
1	1
2	1
3	1
4	5
5	1
6	1
7	1
8	3
9	10
10	1
11	1
12	5
13	1
14	1
15	1
16	17
17	1
18	10
19	1
20	5
21	1
22	1
23	1
24	3
25	26
26	1
27	7
28	5
29	1
30	1
31	1
32	11
33	1
34	1
35	1
36	50
37	1
38	1
39	1
40	3
41	1
42	1
43	1
44	5
45	10
46	1
47	1
48	17
49	50
50	26
51	1
52	5
53	1
54	7
55	1
56	3
57	1
58	1
59	1
60	5
61	1
62	1
63	10
64	65
65	1
66	1
67	1
68	5
69	1
70	1
71	1
72	6
73	1
74	1
75	26
76	5
77	1
78	1
79	1
80	17
81	82
82	1
83	1
84	5
85	1
86	1
87	1
88	3
89	1
90	10
91	1
92	5
93	1
94	1
95	1
96	11
97	1
98	50
99	10
100	130

n	a(n)
1	1
2	1
3	1
4	5
5	1
6	1
7	1
8	3
9	10
10	1
11	1
12	5
13	1
14	1
15	1
16	17
17	1
18	10
19	1
20	5
21	1
22	1
23	1
24	3
25	26
26	1
27	7
28	5
29	1
30	1
31	1
32	11
33	1
34	1
35	1
36	50
37	1
38	1
39	1
40	3
41	1
42	1
43	1
44	5
45	10
46	1
47	1
48	17
49	50
50	26
51	1
52	5
53	1
54	7
55	1
56	3
57	1
58	1
59	1
60	5
61	1
62	1
63	10
64	65
65	1
66	1
67	1
68	5
69	1
70	1
71	1
72	6
73	1
74	1
75	26
76	5
77	1
78	1
79	1
80	17
81	82
82	1
83	1
84	5
85	1
86	1
87	1
88	3
89	1
90	10
91	1
92	5
93	1
94	1
95	1
96	11
97	1
98	50
99	10
100	130