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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.

A332196 a(n) = 10^(2n+1) - 1 - 3*10^n.

Table of values

n a(n)
0 6
1 969
2 99699
3 9996999
4 999969999
5 99999699999
6 9999996999999
7 999999969999999
8 99999999699999999
9 9999999996999999999
10 999999999969999999999
11 99999999999699999999999
12 9999999999996999999999999
13 999999999999969999999999999
14 99999999999999699999999999999

List of values

[6, 969, 99699, 9996999, 999969999, 99999699999, 9999996999999, 999999969999999, 99999999699999999, 9999999996999999999, 999999999969999999999, 99999999999699999999999, 9999999999996999999999999, 999999999999969999999999999, 99999999999999699999999999999]

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

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