A069809 - cp's OEIS frontend

A069809 Numbers k such that gcd(k, phi(k)) = tau(k).

n	a(n)
1	1
2	8
3	9
4	18
5	24
6	40
7	56
8	84
9	88
10	104
11	136
12	152
13	156
14	184
15	228
16	232
17	248
18	296
19	328
20	344
21	360
22	372
23	376
24	424
25	444
26	472
27	488
28	516
29	536
30	568
31	584
32	632
33	664
34	712
35	732
36	776
37	792
38	804
39	808
40	824
41	856
42	872
43	876
44	904
45	948
46	1016
47	1048
48	1096
49	1112
50	1164
51	1192
52	1208

[1, 8, 9, 18, 24, 40, 56, 84, 88, 104, 136, 152, 156, 184, 228, 232, 248, 296, 328, 344, 360, 372, 376, 424, 444, 472, 488, 516, 536, 568, 584, 632, 664, 712, 732, 776, 792, 804, 808, 824, 856, 872, 876, 904, 948, 1016, 1048, 1096, 1112, 1164, 1192, 1208]

cp's OEIS Frontend

A069809 Numbers k such that gcd(k, phi(k)) = tau(k).

Table of values

List of values