A333633 - cp's OEIS frontend

A333633 Smallest m such that sigma(m) == 2*n (mod phi(m)) or 0 if no solution exists.

n	a(n)
0	1
1	5
2	24
3	22
4	21
5	40
6	48
7	136
8	110
9	90
10	88
11	656
12	102
13	80
14	96
15	68
16	55
17	464
18	65
19	117
20	91
21	116
22	85
23	272
24	95
25	148
26	133
27	164
28	115
29	160
30	147
31	333
32	247
33	212
34	145
35	243968
36	155
37	244
38	217
39	405
40	230
41	11072
42	185
43	292
44	259
45	1184
46	205
47	237824
48	215
49	657
50	301
51	356
52	189
53	343
54	329
55	388
56	559
57	404

[1, 5, 24, 22, 21, 40, 48, 136, 110, 90, 88, 656, 102, 80, 96, 68, 55, 464, 65, 117, 91, 116, 85, 272, 95, 148, 133, 164, 115, 160, 147, 333, 247, 212, 145, 243968, 155, 244, 217, 405, 230, 11072, 185, 292, 259, 1184, 205, 237824, 215, 657, 301, 356, 189, 343, 329, 388, 559, 404]

cp's OEIS Frontend

A333633 Smallest m such that sigma(m) == 2*n (mod phi(m)) or 0 if no solution exists.

Table of values

List of values