A187778 - cp's OEIS frontend

A187778 Numbers k dividing psi(k), where psi is the Dedekind psi function (A001615).

n	a(n)
1	1
2	6
3	12
4	18
5	24
6	36
7	48
8	54
9	72
10	96
11	108
12	144
13	162
14	192
15	216
16	288
17	324
18	384
19	432
20	486
21	576
22	648
23	768
24	864
25	972
26	1152
27	1296
28	1458
29	1536
30	1728
31	1944
32	2304
33	2592
34	2916
35	3072
36	3456
37	3888
38	4374
39	4608
40	5184
41	5832
42	6144
43	6912
44	7776
45	8748
46	9216
47	10368
48	11664
49	12288
50	13122
51	13824
52	15552
53	17496
54	18432
55	20736
56	23328

[1, 6, 12, 18, 24, 36, 48, 54, 72, 96, 108, 144, 162, 192, 216, 288, 324, 384, 432, 486, 576, 648, 768, 864, 972, 1152, 1296, 1458, 1536, 1728, 1944, 2304, 2592, 2916, 3072, 3456, 3888, 4374, 4608, 5184, 5832, 6144, 6912, 7776, 8748, 9216, 10368, 11664, 12288, 13122, 13824, 15552, 17496, 18432, 20736, 23328]

cp's OEIS Frontend

A187778 Numbers k dividing psi(k), where psi is the Dedekind psi function (A001615).

Table of values

List of values