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.

A274743 Repunits with odd indices multiplied by 99, i.e., 99*(1, 111, 11111, 1111111, ...).

Table of values

n a(n)
1 99
2 10989
3 1099989
4 109999989
5 10999999989
6 1099999999989
7 109999999999989
8 10999999999999989
9 1099999999999999989
10 109999999999999999989
11 10999999999999999999989
12 1099999999999999999999989
13 109999999999999999999999989
14 10999999999999999999999999989

List of values

[99, 10989, 1099989, 109999989, 10999999989, 1099999999989, 109999999999989, 10999999999999989, 1099999999999999989, 109999999999999999989, 10999999999999999999989, 1099999999999999999999989, 109999999999999999999999989, 10999999999999999999999999989]

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

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