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.

A108047 Concatenation of the previous pair of numbers, with the first two terms both 1.

Table of values

n a(n)
1 1
2 1
3 11
4 111
5 11111
6 11111111
7 1111111111111
8 111111111111111111111
9 1111111111111111111111111111111111
10 1111111111111111111111111111111111111111111111111111111
11 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111

List of values

[1, 1, 11, 111, 11111, 11111111, 1111111111111, 111111111111111111111, 1111111111111111111111111111111111, 1111111111111111111111111111111111111111111111111111111, 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111]