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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A152049 Number of conjugacy classes of primitive elements in GF(2^n) which have trace 0.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 3
6 2
7 9
8 9
9 23
10 29
11 89
12 72
13 315
14 375
15 899
16 1031
17 3855
18 3886
19 13797
20 12000
21 42328
22 59989
23 178529
24 138256
25 647969
26 859841
27 2101143
28 2370917
29 9204061
30 8911060
31 34636833
32 33556537
33 105508927
34 168423669
35 464635937

List of values

[0, 0, 1, 1, 3, 2, 9, 9, 23, 29, 89, 72, 315, 375, 899, 1031, 3855, 3886, 13797, 12000, 42328, 59989, 178529, 138256, 647969, 859841, 2101143, 2370917, 9204061, 8911060, 34636833, 33556537, 105508927, 168423669, 464635937]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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