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.

A245371 Square numbers that remain square when their 2 most-significant (or leftmost) digits in base 10 are removed.

Table of values

n a(n)
1 16
2 25
3 36
4 49
5 64
6 81
7 100
8 121
9 144
10 169
11 289
12 324
13 361
14 400
15 441
16 484
17 529
18 729
19 784
20 841
21 900
22 961
23 1225
24 1600
25 1681
26 1764
27 1849
28 1936
29 2025
30 2116
31 2209
32 2304
33 2401
34 2500
35 2601
36 2704
37 2809
38 2916
39 3025
40 3136
41 3249
42 3364
43 3481
44 3600
45 4225
46 4900
47 5625
48 6400

List of values

[16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 289, 324, 361, 400, 441, 484, 529, 729, 784, 841, 900, 961, 1225, 1600, 1681, 1764, 1849, 1936, 2025, 2116, 2209, 2304, 2401, 2500, 2601, 2704, 2809, 2916, 3025, 3136, 3249, 3364, 3481, 3600, 4225, 4900, 5625, 6400]

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

Content is available under The OEIS End-User License Agreement.