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.

A180727 Smallest power of 21 that begins with n.

Table of values

n a(n)
1 1
2 21
3 37822859361
4 441
5 5842587018385982521381124421
6 68122318582951682301
7 794280046581
8 85766121
9 9261
10 10523016528610349434285830688358359761
11 1136272165922724266740722458520501
12 122694327386105632949003612841

List of values

[1, 21, 37822859361, 441, 5842587018385982521381124421, 68122318582951682301, 794280046581, 85766121, 9261, 10523016528610349434285830688358359761, 1136272165922724266740722458520501, 122694327386105632949003612841]

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

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