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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.

A216346 Primes of the form n*10^n - 1.

Table of values

n a(n)
1 199
2 2999
3 799999999
4 1099999999999
5 14999999999999999
6 38999999999999999999999999999999999999999
7 59999999999999999999999999999999999999999999999999999999999999
8 71999999999999999999999999999999999999999999999999999999999999999999999999

List of values

[199, 2999, 799999999, 1099999999999, 14999999999999999, 38999999999999999999999999999999999999999, 59999999999999999999999999999999999999999999999999999999999999, 71999999999999999999999999999999999999999999999999999999999999999999999999]

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

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