A211485 - cp's OEIS frontend

A211485 Numbers for which the canonical prime factorization contains only an odd number of exponents, all of which are congruent to 1 modulo 3.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	13
8	16
9	17
10	19
11	23
12	29
13	30
14	31
15	37
16	41
17	42
18	43
19	47
20	53
21	59
22	61
23	66
24	67
25	70
26	71
27	73
28	78
29	79
30	81
31	83
32	89
33	97
34	101
35	102
36	103
37	105
38	107
39	109
40	110
41	113
42	114
43	127
44	128
45	130
46	131
47	137
48	138
49	139
50	149
51	151
52	154
53	157
54	163
55	165
56	167
57	170
58	173
59	174
60	179

[1, 2, 3, 5, 7, 11, 13, 16, 17, 19, 23, 29, 30, 31, 37, 41, 42, 43, 47, 53, 59, 61, 66, 67, 70, 71, 73, 78, 79, 81, 83, 89, 97, 101, 102, 103, 105, 107, 109, 110, 113, 114, 127, 128, 130, 131, 137, 138, 139, 149, 151, 154, 157, 163, 165, 167, 170, 173, 174, 179]

cp's OEIS Frontend

A211485 Numbers for which the canonical prime factorization contains only an odd number of exponents, all of which are congruent to 1 modulo 3.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	13
8	16
9	17
10	19
11	23
12	29
13	30
14	31
15	37
16	41
17	42
18	43
19	47
20	53
21	59
22	61
23	66
24	67
25	70
26	71
27	73
28	78
29	79
30	81
31	83
32	89
33	97
34	101
35	102
36	103
37	105
38	107
39	109
40	110
41	113
42	114
43	127
44	128
45	130
46	131
47	137
48	138
49	139
50	149
51	151
52	154
53	157
54	163
55	165
56	167
57	170
58	173
59	174
60	179

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	13
8	16
9	17
10	19
11	23
12	29
13	30
14	31
15	37
16	41
17	42
18	43
19	47
20	53
21	59
22	61
23	66
24	67
25	70
26	71
27	73
28	78
29	79
30	81
31	83
32	89
33	97
34	101
35	102
36	103
37	105
38	107
39	109
40	110
41	113
42	114
43	127
44	128
45	130
46	131
47	137
48	138
49	139
50	149
51	151
52	154
53	157
54	163
55	165
56	167
57	170
58	173
59	174
60	179

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	13
8	16
9	17
10	19
11	23
12	29
13	30
14	31
15	37
16	41
17	42
18	43
19	47
20	53
21	59
22	61
23	66
24	67
25	70
26	71
27	73
28	78
29	79
30	81
31	83
32	89
33	97
34	101
35	102
36	103
37	105
38	107
39	109
40	110
41	113
42	114
43	127
44	128
45	130
46	131
47	137
48	138
49	139
50	149
51	151
52	154
53	157
54	163
55	165
56	167
57	170
58	173
59	174
60	179