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.

A089909 Sum of digits of numbers between 0 and (8/9)*(10^n-1).

Table of values

n a(n)
0 0
1 36
2 748
3 11460
4 154572
5 1945684
6 23456796
7 274567908
8 3145679020
9 35456790132
10 394567901244
11 4345679012356
12 47456790123468
13 514567901234580
14 5545679012345692
15 59456790123456804
16 634567901234567916

List of values

[0, 36, 748, 11460, 154572, 1945684, 23456796, 274567908, 3145679020, 35456790132, 394567901244, 4345679012356, 47456790123468, 514567901234580, 5545679012345692, 59456790123456804, 634567901234567916]