A362229 - cp's OEIS frontend

A362229 a(n) is the largest m such that uphi(m) = n, where uphi is the unitary totient function (A047994), or a(n) = 0 if no such m exists.

n	a(n)
1	2
2	6
3	4
4	10
5	0
6	14
7	8
8	30
9	0
10	22
11	0
12	42
13	0
14	24
15	16
16	34
17	0
18	38
19	0
20	66
21	0
22	46
23	0
24	78
25	0
26	54
27	0
28	58
29	0
30	62
31	32
32	102
33	0
34	0
35	0
36	114
37	0
38	0
39	0
40	110
41	0
42	86
43	0
44	138
45	0
46	94
47	0
48	210
49	0
50	0
51	0
52	106
53	0
54	76
55	0
56	174
57	0
58	118
59	0
60	186
61	0
62	96
63	64
64	170
65	0
66	134
67	0
68	0
69	0
70	142
71	0
72	222

[2, 6, 4, 10, 0, 14, 8, 30, 0, 22, 0, 42, 0, 24, 16, 34, 0, 38, 0, 66, 0, 46, 0, 78, 0, 54, 0, 58, 0, 62, 32, 102, 0, 0, 0, 114, 0, 0, 0, 110, 0, 86, 0, 138, 0, 94, 0, 210, 0, 0, 0, 106, 0, 76, 0, 174, 0, 118, 0, 186, 0, 96, 64, 170, 0, 134, 0, 0, 0, 142, 0, 222]

cp's OEIS Frontend

A362229 a(n) is the largest m such that uphi(m) = n, where uphi is the unitary totient function (A047994), or a(n) = 0 if no such m exists.

Table of values

List of values

n	a(n)
1	2
2	6
3	4
4	10
5	0
6	14
7	8
8	30
9	0
10	22
11	0
12	42
13	0
14	24
15	16
16	34
17	0
18	38
19	0
20	66
21	0
22	46
23	0
24	78
25	0
26	54
27	0
28	58
29	0
30	62
31	32
32	102
33	0
34	0
35	0
36	114
37	0
38	0
39	0
40	110
41	0
42	86
43	0
44	138
45	0
46	94
47	0
48	210
49	0
50	0
51	0
52	106
53	0
54	76
55	0
56	174
57	0
58	118
59	0
60	186
61	0
62	96
63	64
64	170
65	0
66	134
67	0
68	0
69	0
70	142
71	0
72	222

n	a(n)
1	2
2	6
3	4
4	10
5	0
6	14
7	8
8	30
9	0
10	22
11	0
12	42
13	0
14	24
15	16
16	34
17	0
18	38
19	0
20	66
21	0
22	46
23	0
24	78
25	0
26	54
27	0
28	58
29	0
30	62
31	32
32	102
33	0
34	0
35	0
36	114
37	0
38	0
39	0
40	110
41	0
42	86
43	0
44	138
45	0
46	94
47	0
48	210
49	0
50	0
51	0
52	106
53	0
54	76
55	0
56	174
57	0
58	118
59	0
60	186
61	0
62	96
63	64
64	170
65	0
66	134
67	0
68	0
69	0
70	142
71	0
72	222

n	a(n)
1	2
2	6
3	4
4	10
5	0
6	14
7	8
8	30
9	0
10	22
11	0
12	42
13	0
14	24
15	16
16	34
17	0
18	38
19	0
20	66
21	0
22	46
23	0
24	78
25	0
26	54
27	0
28	58
29	0
30	62
31	32
32	102
33	0
34	0
35	0
36	114
37	0
38	0
39	0
40	110
41	0
42	86
43	0
44	138
45	0
46	94
47	0
48	210
49	0
50	0
51	0
52	106
53	0
54	76
55	0
56	174
57	0
58	118
59	0
60	186
61	0
62	96
63	64
64	170
65	0
66	134
67	0
68	0
69	0
70	142
71	0
72	222