A173338 - cp's OEIS frontend

A173338 Numbers n such that tau(tau(n)) = sopf(sopf(n)), sopf = A008472.

n	a(n)
1	2
2	4
3	14
4	16
5	27
6	64
7	158
8	168
9	196
10	216
11	312
12	378
13	384
14	440
15	456
16	482
17	546
18	680
19	702
20	744
21	770
22	1024
23	1026
24	1032
25	1160
26	1454
27	1608
28	1640
29	1674
30	1880
31	2024
32	2058
33	2295
34	2322
35	2472
36	2750
37	2805
38	2944
39	3336
40	3560
41	3608
42	3618
43	3768
44	3828
45	3944
46	3960
47	4040
48	4096

[2, 4, 14, 16, 27, 64, 158, 168, 196, 216, 312, 378, 384, 440, 456, 482, 546, 680, 702, 744, 770, 1024, 1026, 1032, 1160, 1454, 1608, 1640, 1674, 1880, 2024, 2058, 2295, 2322, 2472, 2750, 2805, 2944, 3336, 3560, 3608, 3618, 3768, 3828, 3944, 3960, 4040, 4096]

cp's OEIS Frontend

A173338 Numbers n such that tau(tau(n)) = sopf(sopf(n)), sopf = A008472.

Table of values

List of values