A363059 - cp's OEIS frontend

A363059 Numbers k such that the number of divisors of k^2 equals the number of divisors of phi(k), where phi is the Euler totient function.

n	a(n)
1	1
2	5
3	57
4	74
5	202
6	292
7	394
8	514
9	652
10	1354
11	2114
12	2125
13	3145
14	3208
15	3395
16	3723
17	3783
18	4053
19	4401
20	5018
21	5225
22	5298
23	5425
24	5770
25	6039
26	6363
27	6795
28	6918
29	7564
30	7667
31	7676
32	7852
33	7964
34	8585
35	9050
36	9154
37	10178
38	10535
39	10802
40	10818
41	10954
42	11223
43	12411
44	13074
45	13634

[1, 5, 57, 74, 202, 292, 394, 514, 652, 1354, 2114, 2125, 3145, 3208, 3395, 3723, 3783, 4053, 4401, 5018, 5225, 5298, 5425, 5770, 6039, 6363, 6795, 6918, 7564, 7667, 7676, 7852, 7964, 8585, 9050, 9154, 10178, 10535, 10802, 10818, 10954, 11223, 12411, 13074, 13634]

cp's OEIS Frontend

A363059 Numbers k such that the number of divisors of k^2 equals the number of divisors of phi(k), where phi is the Euler totient function.

Table of values

List of values