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.

A089906 Sum of digits of numbers between 0 and (4/9)*(10^n-1).

Table of values

n a(n)
0 0
1 10
2 270
3 4650
4 66430
5 864210
6 10641990
7 126419770
8 1464197550
9 16641975330
10 186419753110
11 2064197530890
12 22641975308670
13 246419753086450
14 2664197530864230
15 28641975308642010
16 306419753086419790

List of values

[0, 10, 270, 4650, 66430, 864210, 10641990, 126419770, 1464197550, 16641975330, 186419753110, 2064197530890, 22641975308670, 246419753086450, 2664197530864230, 28641975308642010, 306419753086419790]

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

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