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.

A247885 Smallest square that remains a square when prefixed with n.

Table of values

n a(n)
1 225
2 25
3 4225
4 9
5 625
6 4
7 225
8 1
9 3025
10 5625
11 9025
12 1
13 225
14 4
15 625
16 9
17 64
18 49
19 36
20 25
21 16
22 5625
23 87025
24 8850625
25 889914313729282379150390625
26 9669767640625
27 225
28 9
29 16
30 25
31 36
32 4
33 64
34 81
35 15625
36 1
37 1456358697509765625
38 142604475904693603515625
39 1050625

List of values

[225, 25, 4225, 9, 625, 4, 225, 1, 3025, 5625, 9025, 1, 225, 4, 625, 9, 64, 49, 36, 25, 16, 5625, 87025, 8850625, 889914313729282379150390625, 9669767640625, 225, 9, 16, 25, 36, 4, 64, 81, 15625, 1, 1456358697509765625, 142604475904693603515625, 1050625]