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.

A173807 a(n) = (7*10^n - 43)/9 for n > 0.

Table of values

n a(n)
1 3
2 73
3 773
4 7773
5 77773
6 777773
7 7777773
8 77777773
9 777777773
10 7777777773
11 77777777773
12 777777777773
13 7777777777773
14 77777777777773
15 777777777777773
16 7777777777777773
17 77777777777777773
18 777777777777777773
19 7777777777777777773
20 77777777777777777773
21 777777777777777777773

List of values

[3, 73, 773, 7773, 77773, 777773, 7777773, 77777773, 777777773, 7777777773, 77777777773, 777777777773, 7777777777773, 77777777777773, 777777777777773, 7777777777777773, 77777777777777773, 777777777777777773, 7777777777777777773, 77777777777777777773, 777777777777777777773]