A231572 - cp's OEIS frontend

A231572 Composite numbers n such that lambda(n) divides 5n-5, where lambda is the Carmichael lambda function (A002322).

n	a(n)
1	25
2	33
3	165
4	217
5	325
6	385
7	561
8	793
9	825
10	1025
11	1045
12	1065
13	1105
14	1353
15	1525
16	1705
17	1729
18	2465
19	2665
20	2821
21	3565
22	4123
23	4681
24	5005
25	5185
26	5425
27	6601
28	6697
29	8029
30	8569
31	8911
32	9073
33	10585
34	11005
35	12025
36	12505
37	12801
38	13237
39	13741
40	14707
41	14725
42	14905
43	15457

[25, 33, 165, 217, 325, 385, 561, 793, 825, 1025, 1045, 1065, 1105, 1353, 1525, 1705, 1729, 2465, 2665, 2821, 3565, 4123, 4681, 5005, 5185, 5425, 6601, 6697, 8029, 8569, 8911, 9073, 10585, 11005, 12025, 12505, 12801, 13237, 13741, 14707, 14725, 14905, 15457]

cp's OEIS Frontend

A231572 Composite numbers n such that lambda(n) divides 5n-5, where lambda is the Carmichael lambda function (A002322).

Table of values

List of values