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.

A328356 a(n) is the sum of all positive integers whose decimal expansion is up to n digits and does not contain the 0 digit.

Table of values

n a(n)
0 0
1 45
2 4500
3 409095
4 36855450
5 3317322645
6 298562027400
7 26870609370195
8 2418355085455350
9 217651959870221745
10 19588676407933119300
11 1762980876890499197295
12 158668278921733593899250
13 14280145102970321446216845
14 1285213059267457612117075200

List of values

[0, 45, 4500, 409095, 36855450, 3317322645, 298562027400, 26870609370195, 2418355085455350, 217651959870221745, 19588676407933119300, 1762980876890499197295, 158668278921733593899250, 14280145102970321446216845, 1285213059267457612117075200]

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

Content is available under The OEIS End-User License Agreement.