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.

A227928 Powers of 2 or of 3 in order as occurring in the two ways of parenthesizing the terms in A006895.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 9
6 8
7 16
8 27
9 32
10 81
11 64
12 128
13 243
14 256
15 512
16 729
17 1024
18 2187
19 2048
20 4096
21 6561
22 8192
23 19683
24 16384
25 32768
26 59049
27 65536
28 131072
29 177147
30 262144
31 531441
32 524288
33 1048576
34 1594323
35 2097152
36 4782969
37 4194304
38 8388608
39 14348907
40 16777216
41 43046721

List of values

[1, 2, 3, 4, 9, 8, 16, 27, 32, 81, 64, 128, 243, 256, 512, 729, 1024, 2187, 2048, 4096, 6561, 8192, 19683, 16384, 32768, 59049, 65536, 131072, 177147, 262144, 531441, 524288, 1048576, 1594323, 2097152, 4782969, 4194304, 8388608, 14348907, 16777216, 43046721]

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

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