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.

A004647 Powers of 2 written in base 8.

Table of values

n a(n)
0 1
1 2
2 4
3 10
4 20
5 40
6 100
7 200
8 400
9 1000
10 2000
11 4000
12 10000
13 20000
14 40000
15 100000
16 200000
17 400000
18 1000000
19 2000000
20 4000000
21 10000000
22 20000000
23 40000000
24 100000000
25 200000000
26 400000000
27 1000000000

List of values

[1, 2, 4, 10, 20, 40, 100, 200, 400, 1000, 2000, 4000, 10000, 20000, 40000, 100000, 200000, 400000, 1000000, 2000000, 4000000, 10000000, 20000000, 40000000, 100000000, 200000000, 400000000, 1000000000]

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

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