A122904 - cp's OEIS frontend

A122904 Numbers m such that in Z/mZ the number of squares is strictly less than the number of invertible elements.

n	a(n)
1	5
2	7
3	8
4	9
5	11
6	13
7	15
8	16
9	17
10	19
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	29
19	31
20	32
21	33
22	35
23	36
24	37
25	39
26	40
27	41
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	55
38	56
39	57
40	59
41	60
42	61
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	79
56	80
57	81
58	83
59	84
60	85
61	87
62	88
63	89
64	91
65	92
66	93
67	95
68	96
69	97
70	99
71	100

[5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100]

cp's OEIS Frontend

A122904 Numbers m such that in Z/mZ the number of squares is strictly less than the number of invertible elements.

Table of values

List of values

n	a(n)
1	5
2	7
3	8
4	9
5	11
6	13
7	15
8	16
9	17
10	19
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	29
19	31
20	32
21	33
22	35
23	36
24	37
25	39
26	40
27	41
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	55
38	56
39	57
40	59
41	60
42	61
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	79
56	80
57	81
58	83
59	84
60	85
61	87
62	88
63	89
64	91
65	92
66	93
67	95
68	96
69	97
70	99
71	100

n	a(n)
1	5
2	7
3	8
4	9
5	11
6	13
7	15
8	16
9	17
10	19
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	29
19	31
20	32
21	33
22	35
23	36
24	37
25	39
26	40
27	41
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	55
38	56
39	57
40	59
41	60
42	61
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	79
56	80
57	81
58	83
59	84
60	85
61	87
62	88
63	89
64	91
65	92
66	93
67	95
68	96
69	97
70	99
71	100

n	a(n)
1	5
2	7
3	8
4	9
5	11
6	13
7	15
8	16
9	17
10	19
11	20
12	21
13	23
14	24
15	25
16	27
17	28
18	29
19	31
20	32
21	33
22	35
23	36
24	37
25	39
26	40
27	41
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	55
38	56
39	57
40	59
41	60
42	61
43	63
44	64
45	65
46	67
47	68
48	69
49	71
50	72
51	73
52	75
53	76
54	77
55	79
56	80
57	81
58	83
59	84
60	85
61	87
62	88
63	89
64	91
65	92
66	93
67	95
68	96
69	97
70	99
71	100