A319314 - cp's OEIS frontend

A319314 Numbers k such that 2^phi(k) == phi(k)^2 (mod k^2).

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	10
8	12
9	384
10	640
11	768
12	896
13	960
14	24576
15	49152
16	950272
17	1425408
18	1572864
19	3145728
20	10485760
21	19398656
22	65011712
23	100663296
24	110057537
25	201326592
26	220115074
27	671088640
28	1879048192

[1, 3, 4, 5, 6, 8, 10, 12, 384, 640, 768, 896, 960, 24576, 49152, 950272, 1425408, 1572864, 3145728, 10485760, 19398656, 65011712, 100663296, 110057537, 201326592, 220115074, 671088640, 1879048192]

cp's OEIS Frontend

A319314 Numbers k such that 2^phi(k) == phi(k)^2 (mod k^2).

Table of values

List of values