A184966 - cp's OEIS frontend

A184966 Numbers k such that k^k - 1 is squarefree.

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	11
7	12
8	14
9	15
10	16
11	20
12	22
13	23
14	27
15	31
16	34
17	35
18	36
19	38
20	39
21	42
22	43
23	47
24	52
25	56
26	58
27	59
28	60
29	63
30	66
31	67
32	70
33	71
34	72
35	75
36	78
37	79
38	83
39	84
40	86
41	87
42	88
43	90
44	92
45	94
46	95
47	96
48	102
49	103
50	104
51	106
52	107
53	108
54	110
55	111
56	112
57	114
58	115
59	119
60	123
61	128
62	131
63	135
64	138

[2, 3, 4, 6, 7, 11, 12, 14, 15, 16, 20, 22, 23, 27, 31, 34, 35, 36, 38, 39, 42, 43, 47, 52, 56, 58, 59, 60, 63, 66, 67, 70, 71, 72, 75, 78, 79, 83, 84, 86, 87, 88, 90, 92, 94, 95, 96, 102, 103, 104, 106, 107, 108, 110, 111, 112, 114, 115, 119, 123, 128, 131, 135, 138]

cp's OEIS Frontend

A184966 Numbers k such that k^k - 1 is squarefree.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	11
7	12
8	14
9	15
10	16
11	20
12	22
13	23
14	27
15	31
16	34
17	35
18	36
19	38
20	39
21	42
22	43
23	47
24	52
25	56
26	58
27	59
28	60
29	63
30	66
31	67
32	70
33	71
34	72
35	75
36	78
37	79
38	83
39	84
40	86
41	87
42	88
43	90
44	92
45	94
46	95
47	96
48	102
49	103
50	104
51	106
52	107
53	108
54	110
55	111
56	112
57	114
58	115
59	119
60	123
61	128
62	131
63	135
64	138

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	11
7	12
8	14
9	15
10	16
11	20
12	22
13	23
14	27
15	31
16	34
17	35
18	36
19	38
20	39
21	42
22	43
23	47
24	52
25	56
26	58
27	59
28	60
29	63
30	66
31	67
32	70
33	71
34	72
35	75
36	78
37	79
38	83
39	84
40	86
41	87
42	88
43	90
44	92
45	94
46	95
47	96
48	102
49	103
50	104
51	106
52	107
53	108
54	110
55	111
56	112
57	114
58	115
59	119
60	123
61	128
62	131
63	135
64	138

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	11
7	12
8	14
9	15
10	16
11	20
12	22
13	23
14	27
15	31
16	34
17	35
18	36
19	38
20	39
21	42
22	43
23	47
24	52
25	56
26	58
27	59
28	60
29	63
30	66
31	67
32	70
33	71
34	72
35	75
36	78
37	79
38	83
39	84
40	86
41	87
42	88
43	90
44	92
45	94
46	95
47	96
48	102
49	103
50	104
51	106
52	107
53	108
54	110
55	111
56	112
57	114
58	115
59	119
60	123
61	128
62	131
63	135
64	138