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.

A077896 Expansion of (1-x)^(-1)/(1+x-2*x^2-2*x^3).

Table of values

n a(n)
0 1
1 0
2 3
3 0
4 7
5 0
6 15
7 0
8 31
9 0
10 63
11 0
12 127
13 0
14 255
15 0
16 511
17 0
18 1023
19 0
20 2047
21 0
22 4095
23 0
24 8191
25 0
26 16383
27 0
28 32767
29 0
30 65535
31 0
32 131071
33 0
34 262143
35 0
36 524287
37 0
38 1048575
39 0
40 2097151
41 0
42 4194303
43 0
44 8388607
45 0
46 16777215
47 0
48 33554431
49 0
50 67108863
51 0
52 134217727
53 0
54 268435455

List of values

[1, 0, 3, 0, 7, 0, 15, 0, 31, 0, 63, 0, 127, 0, 255, 0, 511, 0, 1023, 0, 2047, 0, 4095, 0, 8191, 0, 16383, 0, 32767, 0, 65535, 0, 131071, 0, 262143, 0, 524287, 0, 1048575, 0, 2097151, 0, 4194303, 0, 8388607, 0, 16777215, 0, 33554431, 0, 67108863, 0, 134217727, 0, 268435455]