A253628 - cp's OEIS frontend

A253628 Psi(n) mod n, where Psi is the Dedekind psi function (A001615).

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	0
7	1
8	4
9	3
10	8
11	1
12	0
13	1
14	10
15	9
16	8
17	1
18	0
19	1
20	16
21	11
22	14
23	1
24	0
25	5
26	16
27	9
28	20
29	1
30	12
31	1
32	16
33	15
34	20
35	13
36	0
37	1
38	22
39	17
40	32
41	1
42	12
43	1
44	28
45	27
46	26
47	1
48	0
49	7
50	40
51	21
52	32
53	1
54	0
55	17
56	40
57	23
58	32
59	1
60	24
61	1
62	34
63	33
64	32
65	19
66	12
67	1
68	40
69	27
70	4
71	1
72	0
73	1
74	40
75	45

[0, 1, 1, 2, 1, 0, 1, 4, 3, 8, 1, 0, 1, 10, 9, 8, 1, 0, 1, 16, 11, 14, 1, 0, 5, 16, 9, 20, 1, 12, 1, 16, 15, 20, 13, 0, 1, 22, 17, 32, 1, 12, 1, 28, 27, 26, 1, 0, 7, 40, 21, 32, 1, 0, 17, 40, 23, 32, 1, 24, 1, 34, 33, 32, 19, 12, 1, 40, 27, 4, 1, 0, 1, 40, 45]

cp's OEIS Frontend

A253628 Psi(n) mod n, where Psi is the Dedekind psi function (A001615).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	0
7	1
8	4
9	3
10	8
11	1
12	0
13	1
14	10
15	9
16	8
17	1
18	0
19	1
20	16
21	11
22	14
23	1
24	0
25	5
26	16
27	9
28	20
29	1
30	12
31	1
32	16
33	15
34	20
35	13
36	0
37	1
38	22
39	17
40	32
41	1
42	12
43	1
44	28
45	27
46	26
47	1
48	0
49	7
50	40
51	21
52	32
53	1
54	0
55	17
56	40
57	23
58	32
59	1
60	24
61	1
62	34
63	33
64	32
65	19
66	12
67	1
68	40
69	27
70	4
71	1
72	0
73	1
74	40
75	45

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	0
7	1
8	4
9	3
10	8
11	1
12	0
13	1
14	10
15	9
16	8
17	1
18	0
19	1
20	16
21	11
22	14
23	1
24	0
25	5
26	16
27	9
28	20
29	1
30	12
31	1
32	16
33	15
34	20
35	13
36	0
37	1
38	22
39	17
40	32
41	1
42	12
43	1
44	28
45	27
46	26
47	1
48	0
49	7
50	40
51	21
52	32
53	1
54	0
55	17
56	40
57	23
58	32
59	1
60	24
61	1
62	34
63	33
64	32
65	19
66	12
67	1
68	40
69	27
70	4
71	1
72	0
73	1
74	40
75	45

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	0
7	1
8	4
9	3
10	8
11	1
12	0
13	1
14	10
15	9
16	8
17	1
18	0
19	1
20	16
21	11
22	14
23	1
24	0
25	5
26	16
27	9
28	20
29	1
30	12
31	1
32	16
33	15
34	20
35	13
36	0
37	1
38	22
39	17
40	32
41	1
42	12
43	1
44	28
45	27
46	26
47	1
48	0
49	7
50	40
51	21
52	32
53	1
54	0
55	17
56	40
57	23
58	32
59	1
60	24
61	1
62	34
63	33
64	32
65	19
66	12
67	1
68	40
69	27
70	4
71	1
72	0
73	1
74	40
75	45