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.

A154383 Powers of 4 at even indices, two times powers of 4 at odd indices.

Table of values

n a(n)
0 1
1 0
2 4
3 2
4 16
5 8
6 64
7 32
8 256
9 128
10 1024
11 512
12 4096
13 2048
14 16384
15 8192
16 65536
17 32768
18 262144
19 131072
20 1048576
21 524288
22 4194304
23 2097152
24 16777216
25 8388608
26 67108864
27 33554432
28 268435456
29 134217728
30 1073741824
31 536870912
32 4294967296
33 2147483648
34 17179869184
35 8589934592
36 68719476736
37 34359738368
38 274877906944

List of values

[1, 0, 4, 2, 16, 8, 64, 32, 256, 128, 1024, 512, 4096, 2048, 16384, 8192, 65536, 32768, 262144, 131072, 1048576, 524288, 4194304, 2097152, 16777216, 8388608, 67108864, 33554432, 268435456, 134217728, 1073741824, 536870912, 4294967296, 2147483648, 17179869184, 8589934592, 68719476736, 34359738368, 274877906944]

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

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