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.

A052950 Expansion of (2-3*x-x^2+x^3)/((1-x)*(1+x)*(1-2*x)).

Table of values

n a(n)
0 2
1 1
2 3
3 4
4 9
5 16
6 33
7 64
8 129
9 256
10 513
11 1024
12 2049
13 4096
14 8193
15 16384
16 32769
17 65536
18 131073
19 262144
20 524289
21 1048576
22 2097153
23 4194304
24 8388609
25 16777216
26 33554433
27 67108864
28 134217729
29 268435456
30 536870913
31 1073741824
32 2147483649

List of values

[2, 1, 3, 4, 9, 16, 33, 64, 129, 256, 513, 1024, 2049, 4096, 8193, 16384, 32769, 65536, 131073, 262144, 524289, 1048576, 2097153, 4194304, 8388609, 16777216, 33554433, 67108864, 134217729, 268435456, 536870913, 1073741824, 2147483649]