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.

A038521 Number of elements of GF(2^n) with trace 1 and subtrace 1.

Table of values

n a(n)
0 0
1 0
2 2
3 1
4 4
5 10
6 12
7 36
8 64
9 120
10 272
11 496
12 1024
13 2080
14 4032
15 8256
16 16384
17 32640
18 65792
19 130816
20 262144
21 524800
22 1047552
23 2098176
24 4194304
25 8386560
26 16781312
27 33550336
28 67108864
29 134225920
30 268419072
31 536887296
32 1073741824
33 2147450880
34 4295032832
35 8589869056

List of values

[0, 0, 2, 1, 4, 10, 12, 36, 64, 120, 272, 496, 1024, 2080, 4032, 8256, 16384, 32640, 65792, 130816, 262144, 524800, 1047552, 2098176, 4194304, 8386560, 16781312, 33550336, 67108864, 134225920, 268419072, 536887296, 1073741824, 2147450880, 4295032832, 8589869056]

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

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