A349122 - cp's OEIS frontend

A349122 Inverse Möbius transform of A349128, where A349128(n) = phi(A064989(n)), A064989 is multiplicative with a(2^e) = 1 and a(p^e) = prevprime(p)^e for odd primes p, and phi is Euler totient function.

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

[1, 2, 2, 3, 3, 4, 5, 4, 4, 6, 7, 6, 11, 10, 6, 5, 13, 8, 17, 9, 10, 14, 19, 8, 9, 22, 8, 15, 23, 12, 29, 6, 14, 26, 15, 12, 31, 34, 22, 12, 37, 20, 41, 21, 12, 38, 43, 10, 25, 18, 26, 33, 47, 16, 21, 20, 34, 46, 53, 18, 59, 58, 20, 7, 33, 28, 61, 39, 38, 30, 67, 16, 71, 62, 18, 51, 35, 44, 73, 15, 16, 74, 79, 30, 39]

cp's OEIS Frontend

A349122 Inverse Möbius transform of A349128, where A349128(n) = phi(A064989(n)), A064989 is multiplicative with a(2^e) = 1 and a(p^e) = prevprime(p)^e for odd primes p, and phi is Euler totient function.

Table of values

List of values

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

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

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