A049197 - cp's OEIS frontend

A049197 Squarefree numbers whose Euler totient function is not squarefree.

n	a(n)
1	5
2	10
3	13
4	15
5	17
6	19
7	21
8	26
9	29
10	30
11	33
12	34
13	35
14	37
15	38
16	39
17	41
18	42
19	51
20	53
21	55
22	57
23	58
24	61
25	65
26	66
27	69
28	70
29	73
30	74
31	77
32	78
33	82
34	85
35	87
36	89
37	91
38	93
39	95
40	97
41	101
42	102
43	105
44	106
45	109
46	110
47	111
48	113
49	114
50	115
51	119
52	122
53	123
54	127
55	129
56	130
57	133
58	137
59	138
60	141
61	143

[5, 10, 13, 15, 17, 19, 21, 26, 29, 30, 33, 34, 35, 37, 38, 39, 41, 42, 51, 53, 55, 57, 58, 61, 65, 66, 69, 70, 73, 74, 77, 78, 82, 85, 87, 89, 91, 93, 95, 97, 101, 102, 105, 106, 109, 110, 111, 113, 114, 115, 119, 122, 123, 127, 129, 130, 133, 137, 138, 141, 143]

cp's OEIS Frontend

A049197 Squarefree numbers whose Euler totient function is not squarefree.

Table of values

List of values

n	a(n)
1	5
2	10
3	13
4	15
5	17
6	19
7	21
8	26
9	29
10	30
11	33
12	34
13	35
14	37
15	38
16	39
17	41
18	42
19	51
20	53
21	55
22	57
23	58
24	61
25	65
26	66
27	69
28	70
29	73
30	74
31	77
32	78
33	82
34	85
35	87
36	89
37	91
38	93
39	95
40	97
41	101
42	102
43	105
44	106
45	109
46	110
47	111
48	113
49	114
50	115
51	119
52	122
53	123
54	127
55	129
56	130
57	133
58	137
59	138
60	141
61	143

n	a(n)
1	5
2	10
3	13
4	15
5	17
6	19
7	21
8	26
9	29
10	30
11	33
12	34
13	35
14	37
15	38
16	39
17	41
18	42
19	51
20	53
21	55
22	57
23	58
24	61
25	65
26	66
27	69
28	70
29	73
30	74
31	77
32	78
33	82
34	85
35	87
36	89
37	91
38	93
39	95
40	97
41	101
42	102
43	105
44	106
45	109
46	110
47	111
48	113
49	114
50	115
51	119
52	122
53	123
54	127
55	129
56	130
57	133
58	137
59	138
60	141
61	143

n	a(n)
1	5
2	10
3	13
4	15
5	17
6	19
7	21
8	26
9	29
10	30
11	33
12	34
13	35
14	37
15	38
16	39
17	41
18	42
19	51
20	53
21	55
22	57
23	58
24	61
25	65
26	66
27	69
28	70
29	73
30	74
31	77
32	78
33	82
34	85
35	87
36	89
37	91
38	93
39	95
40	97
41	101
42	102
43	105
44	106
45	109
46	110
47	111
48	113
49	114
50	115
51	119
52	122
53	123
54	127
55	129
56	130
57	133
58	137
59	138
60	141
61	143