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.

A202270 a(n) is the largest n-digit number whose sum of digits is n.

Table of values

n a(n)
1 1
2 20
3 300
4 4000
5 50000
6 600000
7 7000000
8 80000000
9 900000000
10 9100000000
11 92000000000
12 930000000000
13 9400000000000
14 95000000000000
15 960000000000000
16 9700000000000000
17 98000000000000000
18 990000000000000000
19 9910000000000000000
20 99200000000000000000

List of values

[1, 20, 300, 4000, 50000, 600000, 7000000, 80000000, 900000000, 9100000000, 92000000000, 930000000000, 9400000000000, 95000000000000, 960000000000000, 9700000000000000, 98000000000000000, 990000000000000000, 9910000000000000000, 99200000000000000000]

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

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