A348741 - cp's OEIS frontend

A348741 Odd numbers k for which A161942(k) < k, where A161942 is the odd part of sigma.

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	15
7	17
8	19
9	21
10	23
11	27
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	71
33	73
34	75
35	77
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	101
47	103
48	105
49	107
50	109
51	111
52	113
53	115
54	117
55	119
56	123
57	125
58	127
59	129
60	131
61	133
62	135
63	137
64	139
65	141
66	143
67	145
68	147
69	149
70	151
71	153
72	155
73	157

[3, 5, 7, 11, 13, 15, 17, 19, 21, 23, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157]

cp's OEIS Frontend

A348741 Odd numbers k for which A161942(k) < k, where A161942 is the odd part of sigma.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	15
7	17
8	19
9	21
10	23
11	27
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	71
33	73
34	75
35	77
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	101
47	103
48	105
49	107
50	109
51	111
52	113
53	115
54	117
55	119
56	123
57	125
58	127
59	129
60	131
61	133
62	135
63	137
64	139
65	141
66	143
67	145
68	147
69	149
70	151
71	153
72	155
73	157

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	15
7	17
8	19
9	21
10	23
11	27
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	71
33	73
34	75
35	77
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	101
47	103
48	105
49	107
50	109
51	111
52	113
53	115
54	117
55	119
56	123
57	125
58	127
59	129
60	131
61	133
62	135
63	137
64	139
65	141
66	143
67	145
68	147
69	149
70	151
71	153
72	155
73	157

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	15
7	17
8	19
9	21
10	23
11	27
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	63
29	65
30	67
31	69
32	71
33	73
34	75
35	77
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	101
47	103
48	105
49	107
50	109
51	111
52	113
53	115
54	117
55	119
56	123
57	125
58	127
59	129
60	131
61	133
62	135
63	137
64	139
65	141
66	143
67	145
68	147
69	149
70	151
71	153
72	155
73	157