A336654 - cp's OEIS frontend

A336654 Numbers k such that lambda(k) is squarefree, where lambda is the Carmichael lambda function (A002322).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	18
13	21
14	22
15	23
16	24
17	28
18	31
19	33
20	36
21	42
22	43
23	44
24	46
25	47
26	49
27	56
28	59
29	62
30	63
31	66
32	67
33	69
34	71
35	72
36	77
37	79
38	83
39	84
40	86
41	88
42	92
43	93
44	94
45	98
46	99
47	103
48	107
49	118
50	121
51	124
52	126
53	129
54	131
55	132
56	134
57	138
58	139
59	141
60	142
61	147
62	154
63	158
64	161

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 23, 24, 28, 31, 33, 36, 42, 43, 44, 46, 47, 49, 56, 59, 62, 63, 66, 67, 69, 71, 72, 77, 79, 83, 84, 86, 88, 92, 93, 94, 98, 99, 103, 107, 118, 121, 124, 126, 129, 131, 132, 134, 138, 139, 141, 142, 147, 154, 158, 161]

cp's OEIS Frontend

A336654 Numbers k such that lambda(k) is squarefree, where lambda is the Carmichael lambda function (A002322).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	18
13	21
14	22
15	23
16	24
17	28
18	31
19	33
20	36
21	42
22	43
23	44
24	46
25	47
26	49
27	56
28	59
29	62
30	63
31	66
32	67
33	69
34	71
35	72
36	77
37	79
38	83
39	84
40	86
41	88
42	92
43	93
44	94
45	98
46	99
47	103
48	107
49	118
50	121
51	124
52	126
53	129
54	131
55	132
56	134
57	138
58	139
59	141
60	142
61	147
62	154
63	158
64	161

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	18
13	21
14	22
15	23
16	24
17	28
18	31
19	33
20	36
21	42
22	43
23	44
24	46
25	47
26	49
27	56
28	59
29	62
30	63
31	66
32	67
33	69
34	71
35	72
36	77
37	79
38	83
39	84
40	86
41	88
42	92
43	93
44	94
45	98
46	99
47	103
48	107
49	118
50	121
51	124
52	126
53	129
54	131
55	132
56	134
57	138
58	139
59	141
60	142
61	147
62	154
63	158
64	161

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	18
13	21
14	22
15	23
16	24
17	28
18	31
19	33
20	36
21	42
22	43
23	44
24	46
25	47
26	49
27	56
28	59
29	62
30	63
31	66
32	67
33	69
34	71
35	72
36	77
37	79
38	83
39	84
40	86
41	88
42	92
43	93
44	94
45	98
46	99
47	103
48	107
49	118
50	121
51	124
52	126
53	129
54	131
55	132
56	134
57	138
58	139
59	141
60	142
61	147
62	154
63	158
64	161