A385662 - cp's OEIS frontend

A385662 Number of divisors d of n such that d^d == (-d)^d (mod n).

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

[1, 2, 1, 2, 1, 3, 1, 3, 2, 3, 1, 4, 1, 3, 1, 4, 1, 5, 1, 4, 1, 3, 1, 6, 2, 3, 3, 4, 1, 5, 1, 5, 1, 3, 1, 6, 1, 3, 1, 6, 1, 5, 1, 4, 2, 3, 1, 8, 2, 5, 1, 4, 1, 7, 1, 6, 1, 3, 1, 8, 1, 3, 2, 6, 1, 5, 1, 4, 1, 5, 1, 9, 1, 3, 2, 4, 1, 5, 1, 8, 3, 3, 1, 8, 1, 3, 1, 6, 1, 8, 1, 4, 1, 3, 1, 10, 1, 5, 2, 6]

cp's OEIS Frontend

A385662 Number of divisors d of n such that d^d == (-d)^d (mod n).

Table of values

List of values

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

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

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