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.

A138119 Concatenation of n digits 1 and 2*n-1 digits 0.

Table of values

n a(n)
1 10
2 11000
3 11100000
4 11110000000
5 11111000000000
6 11111100000000000
7 11111110000000000000
8 11111111000000000000000
9 11111111100000000000000000
10 11111111110000000000000000000
11 11111111111000000000000000000000
12 11111111111100000000000000000000000

List of values

[10, 11000, 11100000, 11110000000, 11111000000000, 11111100000000000, 11111110000000000000, 11111111000000000000000, 11111111100000000000000000, 11111111110000000000000000000, 11111111111000000000000000000000, 11111111111100000000000000000000000]