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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.

A332195 a(n) = 10^(2n+1) - 4*10^n - 1.

Table of values

n a(n)
0 5
1 959
2 99599
3 9995999
4 999959999
5 99999599999
6 9999995999999
7 999999959999999
8 99999999599999999
9 9999999995999999999
10 999999999959999999999
11 99999999999599999999999
12 9999999999995999999999999
13 999999999999959999999999999
14 99999999999999599999999999999
15 9999999999999995999999999999999

List of values

[5, 959, 99599, 9995999, 999959999, 99999599999, 9999995999999, 999999959999999, 99999999599999999, 9999999995999999999, 999999999959999999999, 99999999999599999999999, 9999999999995999999999999, 999999999999959999999999999, 99999999999999599999999999999, 9999999999999995999999999999999]

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

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