A217715 - cp's OEIS frontend

A217715 Numbers equal to the Euler totient function of their arithmetic derivative: k = phi(k').

n	a(n)
1	16
2	30
3	32
4	48
5	54
6	64
7	80
8	120
9	176
10	288
11	368
12	432
13	464
14	656
15	848
16	858
17	864
18	1328
19	1424
20	1722
21	1808
22	1944
23	2096
24	2768
25	2864
26	2916
27	3056
28	3728
29	3824
30	4016
31	4496
32	4688
33	5744
34	5832
35	6704
36	6896
37	7088
38	7856
39	8144
40	9488
41	10256
42	10448
43	10544
44	10928
45	11504
46	11888

[16, 30, 32, 48, 54, 64, 80, 120, 176, 288, 368, 432, 464, 656, 848, 858, 864, 1328, 1424, 1722, 1808, 1944, 2096, 2768, 2864, 2916, 3056, 3728, 3824, 4016, 4496, 4688, 5744, 5832, 6704, 6896, 7088, 7856, 8144, 9488, 10256, 10448, 10544, 10928, 11504, 11888]

cp's OEIS Frontend

A217715 Numbers equal to the Euler totient function of their arithmetic derivative: k = phi(k').

Table of values

List of values