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.

A087330 Sum of all digits of all integers less than or equal to 555...55 (with n 5's) in base 10.

Table of values

n a(n)
0 0
1 15
2 370
3 6150
4 86430
5 1114210
6 13641990
7 161419770
8 1864197550
9 21141975330
10 236419753110
11 2614197530890
12 28641975308670
13 311419753086450
14 3364197530864230
15 36141975308642010
16 386419753086419790

List of values

[0, 15, 370, 6150, 86430, 1114210, 13641990, 161419770, 1864197550, 21141975330, 236419753110, 2614197530890, 28641975308670, 311419753086450, 3364197530864230, 36141975308642010, 386419753086419790]