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.

A106624 Expansion of g.f.: (1 - x^2 + x^3)/((1-x^2)*(1-2*x^2)).

Table of values

n a(n)
0 1
1 0
2 2
3 1
4 4
5 3
6 8
7 7
8 16
9 15
10 32
11 31
12 64
13 63
14 128
15 127
16 256
17 255
18 512
19 511
20 1024
21 1023
22 2048
23 2047
24 4096
25 4095
26 8192
27 8191
28 16384
29 16383
30 32768
31 32767
32 65536
33 65535
34 131072
35 131071
36 262144
37 262143
38 524288
39 524287
40 1048576
41 1048575
42 2097152

List of values

[1, 0, 2, 1, 4, 3, 8, 7, 16, 15, 32, 31, 64, 63, 128, 127, 256, 255, 512, 511, 1024, 1023, 2048, 2047, 4096, 4095, 8192, 8191, 16384, 16383, 32768, 32767, 65536, 65535, 131072, 131071, 262144, 262143, 524288, 524287, 1048576, 1048575, 2097152]