A221284 - cp's OEIS frontend

A221284 Numbers n such that phi(m) = n^2 for some m.

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	20
12	24
13	26
14	28
15	30
16	32
17	36
18	40
19	42
20	44
21	48
22	50
23	52
24	54
25	56
26	60
27	64
28	66
29	68
30	70
31	72
32	74
33	80
34	84
35	88
36	90
37	94
38	96
39	100
40	104
41	108
42	110
43	112
44	114
45	116
46	120
47	124
48	126
49	128
50	130
51	132
52	134
53	136
54	140
55	144
56	146
57	148
58	150
59	156
60	160
61	162
62	168
63	170

[1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 26, 28, 30, 32, 36, 40, 42, 44, 48, 50, 52, 54, 56, 60, 64, 66, 68, 70, 72, 74, 80, 84, 88, 90, 94, 96, 100, 104, 108, 110, 112, 114, 116, 120, 124, 126, 128, 130, 132, 134, 136, 140, 144, 146, 148, 150, 156, 160, 162, 168, 170]

cp's OEIS Frontend

A221284 Numbers n such that phi(m) = n^2 for some m.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	20
12	24
13	26
14	28
15	30
16	32
17	36
18	40
19	42
20	44
21	48
22	50
23	52
24	54
25	56
26	60
27	64
28	66
29	68
30	70
31	72
32	74
33	80
34	84
35	88
36	90
37	94
38	96
39	100
40	104
41	108
42	110
43	112
44	114
45	116
46	120
47	124
48	126
49	128
50	130
51	132
52	134
53	136
54	140
55	144
56	146
57	148
58	150
59	156
60	160
61	162
62	168
63	170

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	20
12	24
13	26
14	28
15	30
16	32
17	36
18	40
19	42
20	44
21	48
22	50
23	52
24	54
25	56
26	60
27	64
28	66
29	68
30	70
31	72
32	74
33	80
34	84
35	88
36	90
37	94
38	96
39	100
40	104
41	108
42	110
43	112
44	114
45	116
46	120
47	124
48	126
49	128
50	130
51	132
52	134
53	136
54	140
55	144
56	146
57	148
58	150
59	156
60	160
61	162
62	168
63	170

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	16
10	18
11	20
12	24
13	26
14	28
15	30
16	32
17	36
18	40
19	42
20	44
21	48
22	50
23	52
24	54
25	56
26	60
27	64
28	66
29	68
30	70
31	72
32	74
33	80
34	84
35	88
36	90
37	94
38	96
39	100
40	104
41	108
42	110
43	112
44	114
45	116
46	120
47	124
48	126
49	128
50	130
51	132
52	134
53	136
54	140
55	144
56	146
57	148
58	150
59	156
60	160
61	162
62	168
63	170