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.

A178632 a(n) = 45*((10^n - 1)/9)^2.

Table of values

n a(n)
1 45
2 5445
3 554445
4 55544445
5 5555444445
6 555554444445
7 55555544444445
8 5555555444444445
9 555555554444444445
10 55555555544444444445
11 5555555555444444444445
12 555555555554444444444445
13 55555555555544444444444445
14 5555555555555444444444444445
15 555555555555554444444444444445

List of values

[45, 5445, 554445, 55544445, 5555444445, 555554444445, 55555544444445, 5555555444444445, 555555554444444445, 55555555544444444445, 5555555555444444444445, 555555555554444444444445, 55555555555544444444444445, 5555555555555444444444444445, 555555555555554444444444444445]

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

Content is available under The OEIS End-User License Agreement.