A182358 - cp's OEIS frontend

A182358 Numbers n for which the number of divisors of n is congruent to 2 mod 4.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	20
12	23
13	28
14	29
15	31
16	32
17	37
18	41
19	43
20	44
21	45
22	47
23	48
24	50
25	52
26	53
27	59
28	61
29	63
30	67
31	68
32	71
33	73
34	75
35	76
36	79
37	80
38	83
39	89
40	92
41	97
42	98
43	99
44	101
45	103
46	107
47	109
48	112
49	113
50	116
51	117
52	124
53	127
54	131
55	137
56	139
57	147
58	148
59	149
60	151
61	153

[2, 3, 5, 7, 11, 12, 13, 17, 18, 19, 20, 23, 28, 29, 31, 32, 37, 41, 43, 44, 45, 47, 48, 50, 52, 53, 59, 61, 63, 67, 68, 71, 73, 75, 76, 79, 80, 83, 89, 92, 97, 98, 99, 101, 103, 107, 109, 112, 113, 116, 117, 124, 127, 131, 137, 139, 147, 148, 149, 151, 153]

cp's OEIS Frontend

A182358 Numbers n for which the number of divisors of n is congruent to 2 mod 4.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	20
12	23
13	28
14	29
15	31
16	32
17	37
18	41
19	43
20	44
21	45
22	47
23	48
24	50
25	52
26	53
27	59
28	61
29	63
30	67
31	68
32	71
33	73
34	75
35	76
36	79
37	80
38	83
39	89
40	92
41	97
42	98
43	99
44	101
45	103
46	107
47	109
48	112
49	113
50	116
51	117
52	124
53	127
54	131
55	137
56	139
57	147
58	148
59	149
60	151
61	153

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	20
12	23
13	28
14	29
15	31
16	32
17	37
18	41
19	43
20	44
21	45
22	47
23	48
24	50
25	52
26	53
27	59
28	61
29	63
30	67
31	68
32	71
33	73
34	75
35	76
36	79
37	80
38	83
39	89
40	92
41	97
42	98
43	99
44	101
45	103
46	107
47	109
48	112
49	113
50	116
51	117
52	124
53	127
54	131
55	137
56	139
57	147
58	148
59	149
60	151
61	153

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	20
12	23
13	28
14	29
15	31
16	32
17	37
18	41
19	43
20	44
21	45
22	47
23	48
24	50
25	52
26	53
27	59
28	61
29	63
30	67
31	68
32	71
33	73
34	75
35	76
36	79
37	80
38	83
39	89
40	92
41	97
42	98
43	99
44	101
45	103
46	107
47	109
48	112
49	113
50	116
51	117
52	124
53	127
54	131
55	137
56	139
57	147
58	148
59	149
60	151
61	153