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.

A085586 n, n^2 and n^3 all use only even digits.

Table of values

n a(n)
1 0
2 2
3 20
4 200
5 202
6 2000
7 2002
8 2020
9 20000
10 20002
11 20020
12 20200
13 200000
14 200002
15 200020
16 200200
17 202000
18 2000000
19 2000002
20 2000020
21 2000200
22 2002000
23 2020000
24 20000000
25 20000002
26 20000020
27 20000200
28 20000202
29 20002000
30 20002002
31 20020000

List of values

[0, 2, 20, 200, 202, 2000, 2002, 2020, 20000, 20002, 20020, 20200, 200000, 200002, 200020, 200200, 202000, 2000000, 2000002, 2000020, 2000200, 2002000, 2020000, 20000000, 20000002, 20000020, 20000200, 20000202, 20002000, 20002002, 20020000]

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

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