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.

A056450 a(n) = (3*2^n - (-2)^n)/2.

Table of values

n a(n)
0 1
1 4
2 4
3 16
4 16
5 64
6 64
7 256
8 256
9 1024
10 1024
11 4096
12 4096
13 16384
14 16384
15 65536
16 65536
17 262144
18 262144
19 1048576
20 1048576
21 4194304
22 4194304
23 16777216
24 16777216
25 67108864
26 67108864
27 268435456
28 268435456
29 1073741824
30 1073741824
31 4294967296

List of values

[1, 4, 4, 16, 16, 64, 64, 256, 256, 1024, 1024, 4096, 4096, 16384, 16384, 65536, 65536, 262144, 262144, 1048576, 1048576, 4194304, 4194304, 16777216, 16777216, 67108864, 67108864, 268435456, 268435456, 1073741824, 1073741824, 4294967296]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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