A344773 - cp's OEIS frontend

A344773 Number of divisors d of n for which A342915(d) = A342915(n), where A342915(n) = gcd(1+n, psi(n)).

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

[1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 1, 2, 1, 3, 1, 3, 1, 2, 1, 2, 1, 5, 1, 2, 2, 3, 1, 4, 1, 3, 1, 2, 1, 6, 1, 2, 1, 4, 1, 3, 1, 1, 2, 2, 1, 7, 1, 2, 2, 3, 1, 4, 1, 4, 1, 2, 1, 7, 1, 2, 1, 4, 2, 4, 1, 2, 1, 3, 1, 8, 1, 2, 2, 3, 1, 3, 1, 1, 2, 2, 1, 7, 1, 2, 1, 4, 1, 6, 1, 2, 1, 2, 1, 8, 1, 3, 2, 4, 1, 4, 1, 1, 2]

cp's OEIS Frontend

A344773 Number of divisors d of n for which A342915(d) = A342915(n), where A342915(n) = gcd(1+n, psi(n)).

Table of values

List of values

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

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

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