cp's OEIS Frontend

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.

A042982 Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 2
6 2
7 5
8 8
9 13
10 27
11 45
12 85
13 160
14 288
15 550
16 1024
17 1920
18 3654
19 6885
20 13107
21 24989
22 47616
23 91225
24 174760
25 335462
26 645435
27 1242600
28 2396745
29 4628480
30 8947294
31 17318945
32 33554432
33 65074253
34 126324495
35 245424829
36 477218560
37 928645120
38 1808400384
39 3524082400
40 6871947672
41 13408665600
42 26178873147

List of values

[0, 1, 0, 1, 2, 2, 5, 8, 13, 27, 45, 85, 160, 288, 550, 1024, 1920, 3654, 6885, 13107, 24989, 47616, 91225, 174760, 335462, 645435, 1242600, 2396745, 4628480, 8947294, 17318945, 33554432, 65074253, 126324495, 245424829, 477218560, 928645120, 1808400384, 3524082400, 6871947672, 13408665600, 26178873147]

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

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