A104039 - cp's OEIS frontend

A104039 Number of primitive roots modulo prime(n)^2, where prime(n) is n-th prime.

n	a(n)
1	1
2	2
3	8
4	12
5	40
6	48
7	128
8	108
9	220
10	336
11	240
12	432
13	640
14	504
15	1012
16	1248
17	1624
18	960
19	1320
20	1680
21	1728
22	1872
23	3280
24	3520
25	3072
26	4000
27	3264
28	5512
29	3888
30	5376
31	4536
32	6240
33	8704
34	6072
35	10656
36	6000
37	7488
38	8748
39	13612
40	14448
41	15664
42	8640
43	13680
44	12288
45	16464

[1, 2, 8, 12, 40, 48, 128, 108, 220, 336, 240, 432, 640, 504, 1012, 1248, 1624, 960, 1320, 1680, 1728, 1872, 3280, 3520, 3072, 4000, 3264, 5512, 3888, 5376, 4536, 6240, 8704, 6072, 10656, 6000, 7488, 8748, 13612, 14448, 15664, 8640, 13680, 12288, 16464]

cp's OEIS Frontend

A104039 Number of primitive roots modulo prime(n)^2, where prime(n) is n-th prime.

Table of values

List of values