A308098 - cp's OEIS frontend

A308098 Numbers m such that sequence of their values of sigma(m) corresponds to sequence of unique values of function sigma(n) for n >= 1 in increasing order (A007370).

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	13
9	8
10	19
11	12
12	29
13	22
14	37
15	18
16	27
17	43
18	49
19	61
20	32
21	67
22	73
23	45
24	36
25	50
26	101
27	109
28	91
29	81
30	64
31	121
32	137
33	149
34	157
35	133
36	106
37	163
38	98
39	173
40	129
41	169
42	193
43	72
44	197
45	199
46	134
47	211
48	100
49	146
50	229
51	241
52	128
53	217
54	257
55	171
56	148
57	277
58	281
59	283
60	219

[1, 2, 3, 5, 4, 7, 9, 13, 8, 19, 12, 29, 22, 37, 18, 27, 43, 49, 61, 32, 67, 73, 45, 36, 50, 101, 109, 91, 81, 64, 121, 137, 149, 157, 133, 106, 163, 98, 173, 129, 169, 193, 72, 197, 199, 134, 211, 100, 146, 229, 241, 128, 217, 257, 171, 148, 277, 281, 283, 219]

cp's OEIS Frontend

A308098 Numbers m such that sequence of their values of sigma(m) corresponds to sequence of unique values of function sigma(n) for n >= 1 in increasing order (A007370).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	13
9	8
10	19
11	12
12	29
13	22
14	37
15	18
16	27
17	43
18	49
19	61
20	32
21	67
22	73
23	45
24	36
25	50
26	101
27	109
28	91
29	81
30	64
31	121
32	137
33	149
34	157
35	133
36	106
37	163
38	98
39	173
40	129
41	169
42	193
43	72
44	197
45	199
46	134
47	211
48	100
49	146
50	229
51	241
52	128
53	217
54	257
55	171
56	148
57	277
58	281
59	283
60	219

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	13
9	8
10	19
11	12
12	29
13	22
14	37
15	18
16	27
17	43
18	49
19	61
20	32
21	67
22	73
23	45
24	36
25	50
26	101
27	109
28	91
29	81
30	64
31	121
32	137
33	149
34	157
35	133
36	106
37	163
38	98
39	173
40	129
41	169
42	193
43	72
44	197
45	199
46	134
47	211
48	100
49	146
50	229
51	241
52	128
53	217
54	257
55	171
56	148
57	277
58	281
59	283
60	219

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	13
9	8
10	19
11	12
12	29
13	22
14	37
15	18
16	27
17	43
18	49
19	61
20	32
21	67
22	73
23	45
24	36
25	50
26	101
27	109
28	91
29	81
30	64
31	121
32	137
33	149
34	157
35	133
36	106
37	163
38	98
39	173
40	129
41	169
42	193
43	72
44	197
45	199
46	134
47	211
48	100
49	146
50	229
51	241
52	128
53	217
54	257
55	171
56	148
57	277
58	281
59	283
60	219