A384706 - cp's OEIS frontend

A384706 Integers y such that there exists an integer 0 < x < y such that y/sigma(x) + x/sigma(y) = 1.

n	a(n)
1	14
2	20
3	42
4	54
5	62
6	88
7	99
8	108
9	114
10	124
11	126
12	132
13	189
14	195
15	204
16	210
17	220
18	238
19	252
20	254
21	272
22	284
23	328
24	340
25	385
26	414
27	420
28	432
29	455
30	464
31	468
32	495
33	508
34	528
35	560
36	572
37	608
38	621
39	630
40	663
41	693
42	748
43	828
44	837
45	870
46	888
47	1008
48	1089
49	1136
50	1192
51	1197
52	1210
53	1288
54	1416
55	1422
56	1440

[14, 20, 42, 54, 62, 88, 99, 108, 114, 124, 126, 132, 189, 195, 204, 210, 220, 238, 252, 254, 272, 284, 328, 340, 385, 414, 420, 432, 455, 464, 468, 495, 508, 528, 560, 572, 608, 621, 630, 663, 693, 748, 828, 837, 870, 888, 1008, 1089, 1136, 1192, 1197, 1210, 1288, 1416, 1422, 1440]

cp's OEIS Frontend

A384706 Integers y such that there exists an integer 0 < x < y such that y/sigma(x) + x/sigma(y) = 1.

Table of values

List of values