A211337 - cp's OEIS frontend

A211337 Numbers k for which the number of divisors, tau(k), is congruent to 1 modulo 3.

n	a(n)
1	1
2	6
3	8
4	10
5	14
6	15
7	21
8	22
9	26
10	27
11	33
12	34
13	35
14	38
15	39
16	46
17	48
18	51
19	55
20	57
21	58
22	62
23	64
24	65
25	69
26	74
27	77
28	80
29	82
30	85
31	86
32	87
33	91
34	93
35	94
36	95
37	106
38	111
39	112
40	115
41	118
42	119
43	120
44	122
45	123
46	125
47	129
48	133
49	134
50	141
51	142
52	143
53	145
54	146
55	155
56	158
57	159
58	161
59	162

[1, 6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46, 48, 51, 55, 57, 58, 62, 64, 65, 69, 74, 77, 80, 82, 85, 86, 87, 91, 93, 94, 95, 106, 111, 112, 115, 118, 119, 120, 122, 123, 125, 129, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 162]

cp's OEIS Frontend

A211337 Numbers k for which the number of divisors, tau(k), is congruent to 1 modulo 3.

Table of values

List of values

n	a(n)
1	1
2	6
3	8
4	10
5	14
6	15
7	21
8	22
9	26
10	27
11	33
12	34
13	35
14	38
15	39
16	46
17	48
18	51
19	55
20	57
21	58
22	62
23	64
24	65
25	69
26	74
27	77
28	80
29	82
30	85
31	86
32	87
33	91
34	93
35	94
36	95
37	106
38	111
39	112
40	115
41	118
42	119
43	120
44	122
45	123
46	125
47	129
48	133
49	134
50	141
51	142
52	143
53	145
54	146
55	155
56	158
57	159
58	161
59	162

n	a(n)
1	1
2	6
3	8
4	10
5	14
6	15
7	21
8	22
9	26
10	27
11	33
12	34
13	35
14	38
15	39
16	46
17	48
18	51
19	55
20	57
21	58
22	62
23	64
24	65
25	69
26	74
27	77
28	80
29	82
30	85
31	86
32	87
33	91
34	93
35	94
36	95
37	106
38	111
39	112
40	115
41	118
42	119
43	120
44	122
45	123
46	125
47	129
48	133
49	134
50	141
51	142
52	143
53	145
54	146
55	155
56	158
57	159
58	161
59	162

n	a(n)
1	1
2	6
3	8
4	10
5	14
6	15
7	21
8	22
9	26
10	27
11	33
12	34
13	35
14	38
15	39
16	46
17	48
18	51
19	55
20	57
21	58
22	62
23	64
24	65
25	69
26	74
27	77
28	80
29	82
30	85
31	86
32	87
33	91
34	93
35	94
36	95
37	106
38	111
39	112
40	115
41	118
42	119
43	120
44	122
45	123
46	125
47	129
48	133
49	134
50	141
51	142
52	143
53	145
54	146
55	155
56	158
57	159
58	161
59	162