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.

A281366 Lexicographically least strictly increasing sequence such that, for any n>0, Sum_{k=1..n} a(k) can be computed without carries in base 9 (the numbers are written in base 9).

Table of values

n a(n)
1 1
2 2
3 3
4 10
5 11
6 20
7 21
8 100
9 110
10 200
11 210
12 1000
13 1100
14 2000
15 2100
16 10000
17 11000
18 20000
19 21000
20 100000
21 110000
22 200000
23 210000
24 1000000
25 1100000
26 2000000
27 2100000
28 10000000
29 11000000
30 20000000
31 21000000
32 100000000
33 110000000
34 200000000
35 210000000

List of values

[1, 2, 3, 10, 11, 20, 21, 100, 110, 200, 210, 1000, 1100, 2000, 2100, 10000, 11000, 20000, 21000, 100000, 110000, 200000, 210000, 1000000, 1100000, 2000000, 2100000, 10000000, 11000000, 20000000, 21000000, 100000000, 110000000, 200000000, 210000000]