A069946 - cp's OEIS frontend

A069946 Numbers k such that phi(k) mod core(k) = 1 where core(k) is the squarefree part of k.

n	a(n)
1	2
2	12
3	48
4	60
5	63
6	75
7	175
8	192
9	363
10	405
11	468
12	704
13	768
14	816
15	867
16	891
17	960
18	980
19	1008
20	1020
21	1587
22	1875
23	2023
24	2107
25	2331
26	2475
27	2523
28	2527
29	2800
30	2835
31	3072
32	3075
33	3185
34	3332
35	3757
36	4100
37	4335
38	4477
39	4851
40	5043
41	5780
42	6171
43	6292
44	6627
45	6727
46	6877
47	7220

[2, 12, 48, 60, 63, 75, 175, 192, 363, 405, 468, 704, 768, 816, 867, 891, 960, 980, 1008, 1020, 1587, 1875, 2023, 2107, 2331, 2475, 2523, 2527, 2800, 2835, 3072, 3075, 3185, 3332, 3757, 4100, 4335, 4477, 4851, 5043, 5780, 6171, 6292, 6627, 6727, 6877, 7220]

cp's OEIS Frontend

A069946 Numbers k such that phi(k) mod core(k) = 1 where core(k) is the squarefree part of k.

Table of values

List of values