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.

A071159 Integers whose decimal expansion start with 1, do not contain zeros and each successive digit to the right is at most one greater than the previous digit.

Table of values

n a(n)
1 1
2 11
3 12
4 111
5 112
6 121
7 122
8 123
9 1111
10 1112
11 1121
12 1122
13 1123
14 1211
15 1212
16 1221
17 1222
18 1223
19 1231
20 1232
21 1233
22 1234
23 11111
24 11112
25 11121
26 11122
27 11123
28 11211
29 11212
30 11221
31 11222
32 11223
33 11231
34 11232
35 11233
36 11234
37 12111
38 12112
39 12121

List of values

[1, 11, 12, 111, 112, 121, 122, 123, 1111, 1112, 1121, 1122, 1123, 1211, 1212, 1221, 1222, 1223, 1231, 1232, 1233, 1234, 11111, 11112, 11121, 11122, 11123, 11211, 11212, 11221, 11222, 11223, 11231, 11232, 11233, 11234, 12111, 12112, 12121]