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.

A034967 Sum of digits of numbers between 0 and (10^n)-1.

Table of values

n a(n)
0 0
1 45
2 900
3 13500
4 180000
5 2250000
6 27000000
7 315000000
8 3600000000
9 40500000000
10 450000000000
11 4950000000000
12 54000000000000
13 585000000000000
14 6300000000000000
15 67500000000000000
16 720000000000000000
17 7650000000000000000
18 81000000000000000000

List of values

[0, 45, 900, 13500, 180000, 2250000, 27000000, 315000000, 3600000000, 40500000000, 450000000000, 4950000000000, 54000000000000, 585000000000000, 6300000000000000, 67500000000000000, 720000000000000000, 7650000000000000000, 81000000000000000000]

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

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