A306531 - cp's OEIS frontend

A306531 Composite numbers k such that the sum of their aliquot parts divides k-1.

n	a(n)
1	4
2	8
3	9
4	16
5	25
6	27
7	32
8	49
9	64
10	77
11	81
12	121
13	125
14	128
15	169
16	243
17	256
18	289
19	343
20	361
21	512
22	529
23	611
24	625
25	729
26	841
27	961
28	1024
29	1073
30	1331
31	1369
32	1681
33	1849
34	2033
35	2048
36	2187
37	2197
38	2209
39	2401
40	2809
41	3125
42	3481
43	3721
44	4096
45	4489
46	4913
47	5041
48	5293
49	5329
50	6031
51	6241

[4, 8, 9, 16, 25, 27, 32, 49, 64, 77, 81, 121, 125, 128, 169, 243, 256, 289, 343, 361, 512, 529, 611, 625, 729, 841, 961, 1024, 1073, 1331, 1369, 1681, 1849, 2033, 2048, 2187, 2197, 2209, 2401, 2809, 3125, 3481, 3721, 4096, 4489, 4913, 5041, 5293, 5329, 6031, 6241]

cp's OEIS Frontend

A306531 Composite numbers k such that the sum of their aliquot parts divides k-1.

Table of values

List of values