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.

A094015 Expansion of (1+4*x)/(1-8*x^2).

Table of values

n a(n)
0 1
1 4
2 8
3 32
4 64
5 256
6 512
7 2048
8 4096
9 16384
10 32768
11 131072
12 262144
13 1048576
14 2097152
15 8388608
16 16777216
17 67108864
18 134217728
19 536870912
20 1073741824
21 4294967296
22 8589934592
23 34359738368
24 68719476736
25 274877906944

List of values

[1, 4, 8, 32, 64, 256, 512, 2048, 4096, 16384, 32768, 131072, 262144, 1048576, 2097152, 8388608, 16777216, 67108864, 134217728, 536870912, 1073741824, 4294967296, 8589934592, 34359738368, 68719476736, 274877906944]