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.

A071133 Squares which repeat with at least two full periods when written in base 7.

Table of values

n a(n)
1 16
2 400
3 900
4 1600
5 29584
6 70627216
7 394618225
8 2214643600
9 4982948100
10 8858574400
11 16052636601
12 64210546404
13 169556179984
14 727092173809
15 1120597967889
16 2908368695236
17 6543829564281
18 6703226505481
19 79822717134736
20 407103419654416
21 12766762698010000

List of values

[16, 400, 900, 1600, 29584, 70627216, 394618225, 2214643600, 4982948100, 8858574400, 16052636601, 64210546404, 169556179984, 727092173809, 1120597967889, 2908368695236, 6543829564281, 6703226505481, 79822717134736, 407103419654416, 12766762698010000]

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

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