A140863 - cp's OEIS frontend

A140863 Odd numbers k such that sigma(m) = 2m+k has a solution in m, where sigma is the sum-of-divisors function A000203.

n	a(n)
1	3
2	7
3	17
4	19
5	31
6	39
7	41
8	51
9	59
10	65
11	71
12	89
13	115
14	119
15	127
16	161
17	185
18	199
19	215
20	243
21	251
22	259
23	265
24	269
25	299
26	309
27	353
28	363
29	399
30	401
31	455
32	459
33	467
34	499
35	519
36	593
37	635
38	713
39	737
40	815
41	831
42	845
43	899
44	921
45	923
46	965
47	967
48	983
49	1011
50	1021
51	1025
52	1049
53	1053
54	1055

[3, 7, 17, 19, 31, 39, 41, 51, 59, 65, 71, 89, 115, 119, 127, 161, 185, 199, 215, 243, 251, 259, 265, 269, 299, 309, 353, 363, 399, 401, 455, 459, 467, 499, 519, 593, 635, 713, 737, 815, 831, 845, 899, 921, 923, 965, 967, 983, 1011, 1021, 1025, 1049, 1053, 1055]

cp's OEIS Frontend

A140863 Odd numbers k such that sigma(m) = 2m+k has a solution in m, where sigma is the sum-of-divisors function A000203.

Table of values

List of values