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.

A089903 Sum of digits of numbers between 0 and (1/9)*(10^n-1).

Table of values

n a(n)
0 0
1 1
2 48
3 960
4 14572
5 195684
6 2456796
7 29567908
8 345679020
9 3956790132
10 44567901244
11 495679012356
12 5456790123468
13 59567901234580
14 645679012345692
15 6956790123456804
16 74567901234567916
17 795679012345679028

List of values

[0, 1, 48, 960, 14572, 195684, 2456796, 29567908, 345679020, 3956790132, 44567901244, 495679012356, 5456790123468, 59567901234580, 645679012345692, 6956790123456804, 74567901234567916, 795679012345679028]

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

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