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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.

A171797 A modified Sisyphus function: a(n) = concatenation of (number of digits in n) (number of even digits) (number of odd digits).

Table of values

n a(n)
0 110
1 101
2 110
3 101
4 110
5 101
6 110
7 101
8 110
9 101
10 211
11 202
12 211
13 202
14 211
15 202
16 211
17 202
18 211
19 202
20 220
21 211
22 220
23 211
24 220
25 211
26 220
27 211
28 220
29 211
30 211
31 202
32 211
33 202
34 211
35 202
36 211
37 202
38 211
39 202
40 220
41 211
42 220
43 211
44 220
45 211
46 220
47 211
48 220
49 211
50 211
51 202

List of values

[110, 101, 110, 101, 110, 101, 110, 101, 110, 101, 211, 202, 211, 202, 211, 202, 211, 202, 211, 202, 220, 211, 220, 211, 220, 211, 220, 211, 220, 211, 211, 202, 211, 202, 211, 202, 211, 202, 211, 202, 220, 211, 220, 211, 220, 211, 220, 211, 220, 211, 211, 202]

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

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