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.

A077885 Expansion of (1-x)^(-1)/(1-2*x^3).

Table of values

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

List of values

[1, 1, 1, 3, 3, 3, 7, 7, 7, 15, 15, 15, 31, 31, 31, 63, 63, 63, 127, 127, 127, 255, 255, 255, 511, 511, 511, 1023, 1023, 1023, 2047, 2047, 2047, 4095, 4095, 4095, 8191, 8191, 8191, 16383, 16383, 16383, 32767, 32767, 32767, 65535, 65535, 65535, 131071, 131071, 131071, 262143]