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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.

A071130 Squares which repeat with at least two full periods when written in base 4.

Table of values

n a(n)
1 6241
2 378225
3 672400
4 1320201
5 28121809
6 302794801
7 386554921
8 1211179204
9 7681646025
10 73073443041
11 79698371481
12 91424593225
13 120297291921
14 292293772164
15 318793485924
16 657660987369
17 1521820771641
18 18145972716481
19 72583890865924
20 163313754448329

List of values

[6241, 378225, 672400, 1320201, 28121809, 302794801, 386554921, 1211179204, 7681646025, 73073443041, 79698371481, 91424593225, 120297291921, 292293772164, 318793485924, 657660987369, 1521820771641, 18145972716481, 72583890865924, 163313754448329]

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

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