A202273 - cp's OEIS frontend

A202273 Positive integers m in increasing order determined by these rules: a(1) = 1, for n>=1, if m is in the sequence then also are numbers h such that sigma(h) = 3m.

n	a(n)
1	1
2	2
3	5
4	8
5	14
6	15
7	20
8	23
9	24
10	26
11	30
12	38
13	40
14	41
15	45
16	46
17	51
18	54
19	55
20	56
21	58
22	59
23	60
24	71
25	74
26	78
27	87
28	88
29	89
30	90
31	92
32	95
33	106
34	113
35	118
36	123
37	136
38	137
39	143
40	145
41	146
42	153
43	167
44	173
45	178
46	179
47	215
48	233
49	263
50	269
51	303
52	317
53	335
54	353

[1, 2, 5, 8, 14, 15, 20, 23, 24, 26, 30, 38, 40, 41, 45, 46, 51, 54, 55, 56, 58, 59, 60, 71, 74, 78, 87, 88, 89, 90, 92, 95, 106, 113, 118, 123, 136, 137, 143, 145, 146, 153, 167, 173, 178, 179, 215, 233, 263, 269, 303, 317, 335, 353]

cp's OEIS Frontend

A202273 Positive integers m in increasing order determined by these rules: a(1) = 1, for n>=1, if m is in the sequence then also are numbers h such that sigma(h) = 3m.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	8
5	14
6	15
7	20
8	23
9	24
10	26
11	30
12	38
13	40
14	41
15	45
16	46
17	51
18	54
19	55
20	56
21	58
22	59
23	60
24	71
25	74
26	78
27	87
28	88
29	89
30	90
31	92
32	95
33	106
34	113
35	118
36	123
37	136
38	137
39	143
40	145
41	146
42	153
43	167
44	173
45	178
46	179
47	215
48	233
49	263
50	269
51	303
52	317
53	335
54	353

n	a(n)
1	1
2	2
3	5
4	8
5	14
6	15
7	20
8	23
9	24
10	26
11	30
12	38
13	40
14	41
15	45
16	46
17	51
18	54
19	55
20	56
21	58
22	59
23	60
24	71
25	74
26	78
27	87
28	88
29	89
30	90
31	92
32	95
33	106
34	113
35	118
36	123
37	136
38	137
39	143
40	145
41	146
42	153
43	167
44	173
45	178
46	179
47	215
48	233
49	263
50	269
51	303
52	317
53	335
54	353

n	a(n)
1	1
2	2
3	5
4	8
5	14
6	15
7	20
8	23
9	24
10	26
11	30
12	38
13	40
14	41
15	45
16	46
17	51
18	54
19	55
20	56
21	58
22	59
23	60
24	71
25	74
26	78
27	87
28	88
29	89
30	90
31	92
32	95
33	106
34	113
35	118
36	123
37	136
38	137
39	143
40	145
41	146
42	153
43	167
44	173
45	178
46	179
47	215
48	233
49	263
50	269
51	303
52	317
53	335
54	353