A385638 - cp's OEIS frontend

A385638 Number of nonnegative s < n such that (-s)^s == -s^s (mod n).

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	3
7	3
8	7
9	5
10	5
11	5
12	7
13	6
14	7
15	7
16	14
17	8
18	11
19	9
20	11
21	10
22	11
23	11
24	15
25	14
26	13
27	17
28	15
29	14
30	15
31	15
32	30
33	16
34	17
35	17
36	23
37	18
38	19
39	19
40	23
41	20
42	21
43	21
44	23
45	23
46	23
47	23
48	31
49	27
50	29
51	25
52	27
53	26
54	35
55	27
56	31
57	28
58	29
59	29
60	31
61	30
62	31
63	32
64	62
65	32
66	33
67	33
68	35
69	34
70	35
71	35
72	47

[1, 2, 1, 3, 2, 3, 3, 7, 5, 5, 5, 7, 6, 7, 7, 14, 8, 11, 9, 11, 10, 11, 11, 15, 14, 13, 17, 15, 14, 15, 15, 30, 16, 17, 17, 23, 18, 19, 19, 23, 20, 21, 21, 23, 23, 23, 23, 31, 27, 29, 25, 27, 26, 35, 27, 31, 28, 29, 29, 31, 30, 31, 32, 62, 32, 33, 33, 35, 34, 35, 35, 47]

cp's OEIS Frontend

A385638 Number of nonnegative s < n such that (-s)^s == -s^s (mod n).

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	3
7	3
8	7
9	5
10	5
11	5
12	7
13	6
14	7
15	7
16	14
17	8
18	11
19	9
20	11
21	10
22	11
23	11
24	15
25	14
26	13
27	17
28	15
29	14
30	15
31	15
32	30
33	16
34	17
35	17
36	23
37	18
38	19
39	19
40	23
41	20
42	21
43	21
44	23
45	23
46	23
47	23
48	31
49	27
50	29
51	25
52	27
53	26
54	35
55	27
56	31
57	28
58	29
59	29
60	31
61	30
62	31
63	32
64	62
65	32
66	33
67	33
68	35
69	34
70	35
71	35
72	47

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	3
7	3
8	7
9	5
10	5
11	5
12	7
13	6
14	7
15	7
16	14
17	8
18	11
19	9
20	11
21	10
22	11
23	11
24	15
25	14
26	13
27	17
28	15
29	14
30	15
31	15
32	30
33	16
34	17
35	17
36	23
37	18
38	19
39	19
40	23
41	20
42	21
43	21
44	23
45	23
46	23
47	23
48	31
49	27
50	29
51	25
52	27
53	26
54	35
55	27
56	31
57	28
58	29
59	29
60	31
61	30
62	31
63	32
64	62
65	32
66	33
67	33
68	35
69	34
70	35
71	35
72	47

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	3
7	3
8	7
9	5
10	5
11	5
12	7
13	6
14	7
15	7
16	14
17	8
18	11
19	9
20	11
21	10
22	11
23	11
24	15
25	14
26	13
27	17
28	15
29	14
30	15
31	15
32	30
33	16
34	17
35	17
36	23
37	18
38	19
39	19
40	23
41	20
42	21
43	21
44	23
45	23
46	23
47	23
48	31
49	27
50	29
51	25
52	27
53	26
54	35
55	27
56	31
57	28
58	29
59	29
60	31
61	30
62	31
63	32
64	62
65	32
66	33
67	33
68	35
69	34
70	35
71	35
72	47