A280196 - cp's OEIS frontend

A280196 Numbers n such that a^(n-1) == 1 (mod n^2) has no solutions with 1 < a < n^2-1.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	26
17	27
18	30
19	32
20	34
21	36
22	38
23	40
24	42
25	44
26	46
27	48
28	50
29	54
30	56
31	58
32	60
33	62
34	64
35	68
36	72
37	74
38	78
39	80
40	81
41	82
42	84
43	86
44	88
45	90
46	92
47	94
48	96
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	114
57	116
58	118
59	120
60	122
61	126
62	128
63	132
64	134
65	136
66	138

[1, 2, 3, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 27, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 54, 56, 58, 60, 62, 64, 68, 72, 74, 78, 80, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 114, 116, 118, 120, 122, 126, 128, 132, 134, 136, 138]

cp's OEIS Frontend

A280196 Numbers n such that a^(n-1) == 1 (mod n^2) has no solutions with 1 < a < n^2-1.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	26
17	27
18	30
19	32
20	34
21	36
22	38
23	40
24	42
25	44
26	46
27	48
28	50
29	54
30	56
31	58
32	60
33	62
34	64
35	68
36	72
37	74
38	78
39	80
40	81
41	82
42	84
43	86
44	88
45	90
46	92
47	94
48	96
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	114
57	116
58	118
59	120
60	122
61	126
62	128
63	132
64	134
65	136
66	138

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	26
17	27
18	30
19	32
20	34
21	36
22	38
23	40
24	42
25	44
26	46
27	48
28	50
29	54
30	56
31	58
32	60
33	62
34	64
35	68
36	72
37	74
38	78
39	80
40	81
41	82
42	84
43	86
44	88
45	90
46	92
47	94
48	96
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	114
57	116
58	118
59	120
60	122
61	126
62	128
63	132
64	134
65	136
66	138

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	26
17	27
18	30
19	32
20	34
21	36
22	38
23	40
24	42
25	44
26	46
27	48
28	50
29	54
30	56
31	58
32	60
33	62
34	64
35	68
36	72
37	74
38	78
39	80
40	81
41	82
42	84
43	86
44	88
45	90
46	92
47	94
48	96
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	114
57	116
58	118
59	120
60	122
61	126
62	128
63	132
64	134
65	136
66	138