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A158502 Array T(n,k) read by antidiagonals: number of primitive polynomials of degree k over GF(prime(n)).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 2
7 2
8 4
9 4
10 2
11 4
12 8
13 20
14 8
15 6
16 4
17 16
18 36
19 48
20 22
21 6
22 8
23 24
24 144
25 160
26 280
27 48
28 18
29 6
30 48
31 240
32 960
33 1120
34 720
35 156
36 16
37 10
38 48
39 816
40 1536
41 12880
42 6048
43 5580
44 320
45 48
46 12
47 80
48 756
49 5376
50 24752
51 62208
52 37856
53 14976
54 1008
55 60
56 8
57 96
58 1560
59 8640
60 141984
61 224640
62 1087632
63 192000
64 99360

List of values

[1, 1, 1, 2, 2, 2, 2, 4, 4, 2, 4, 8, 20, 8, 6, 4, 16, 36, 48, 22, 6, 8, 24, 144, 160, 280, 48, 18, 6, 48, 240, 960, 1120, 720, 156, 16, 10, 48, 816, 1536, 12880, 6048, 5580, 320, 48, 12, 80, 756, 5376, 24752, 62208, 37856, 14976, 1008, 60, 8, 96, 1560, 8640, 141984, 224640, 1087632, 192000, 99360]