A289828 - cp's OEIS frontend

A289828 a(n) is the least k such that phi(k) = n*phi(n).

n	a(n)
1	1
2	3
3	7
4	15
5	25
6	13
7	43
8	51
9	81
10	41
11	121
12	65
13	157
14	129
15	143
16	255
17	289
18	109
19	361
20	187
21	301
22	253
23	529
24	193
25	625
26	313
27	487
28	337
29	841
30	241
31	961
32	771
33	661
34	685
35	899
36	433
37	1369
38	1083
39	937
40	641
41	1681
42	551
43	1849
44	881
45	1147
46	1013
47	2209
48	769
49	2401
50	1111
51	1751
52	1249
53	2809
54	1141
55	2323
56	1469
57	2053
58	1711

[1, 3, 7, 15, 25, 13, 43, 51, 81, 41, 121, 65, 157, 129, 143, 255, 289, 109, 361, 187, 301, 253, 529, 193, 625, 313, 487, 337, 841, 241, 961, 771, 661, 685, 899, 433, 1369, 1083, 937, 641, 1681, 551, 1849, 881, 1147, 1013, 2209, 769, 2401, 1111, 1751, 1249, 2809, 1141, 2323, 1469, 2053, 1711]

cp's OEIS Frontend

A289828 a(n) is the least k such that phi(k) = n*phi(n).

Table of values

List of values