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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.

A110076 a(n) is the largest number m such that sigma(m)=10^n, or if there is no such m a(n)=0.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 9481
5 99301
6 997501
7 9993001
8 99948001
9 999795001
10 9999750001
11 99998670001
12 999997950001
13 9999986700001
14 99999975000001
15 999999198750001
16 9999999187500001
17 99999995096707501
18 999999919987500001
19 9999999986700000001
20 99999499999999800001
21 999999999907500000001
22 9999999999796009687501

List of values

[1, 0, 0, 0, 9481, 99301, 997501, 9993001, 99948001, 999795001, 9999750001, 99998670001, 999997950001, 9999986700001, 99999975000001, 999999198750001, 9999999187500001, 99999995096707501, 999999919987500001, 9999999986700000001, 99999499999999800001, 999999999907500000001, 9999999999796009687501]

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

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