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.

A089905 Sum of digits of numbers between 0 and (3/9)*(10^n-1).

Table of values

n a(n)
0 0
1 6
2 183
3 3285
4 47787
5 627789
6 7777791
7 92777793
8 1077777795
9 12277777797
10 137777777799
11 1527777777801
12 16777777777803
13 182777777777805
14 1977777777777807
15 21277777777777809
16 227777777777777811

List of values

[0, 6, 183, 3285, 47787, 627789, 7777791, 92777793, 1077777795, 12277777797, 137777777799, 1527777777801, 16777777777803, 182777777777805, 1977777777777807, 21277777777777809, 227777777777777811]

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

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