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.

A204503 Squares n^2 such that floor(n^2/9) is again a square.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 16
6 36
7 81
8 144
9 225
10 324
11 441
12 576
13 729
14 900
15 1089
16 1296
17 1521
18 1764
19 2025
20 2304
21 2601
22 2916
23 3249
24 3600
25 3969
26 4356
27 4761
28 5184
29 5625
30 6084
31 6561
32 7056
33 7569
34 8100
35 8649
36 9216
37 9801
38 10404
39 11025
40 11664
41 12321
42 12996
43 13689
44 14400
45 15129
46 15876

List of values

[0, 1, 4, 9, 16, 36, 81, 144, 225, 324, 441, 576, 729, 900, 1089, 1296, 1521, 1764, 2025, 2304, 2601, 2916, 3249, 3600, 3969, 4356, 4761, 5184, 5625, 6084, 6561, 7056, 7569, 8100, 8649, 9216, 9801, 10404, 11025, 11664, 12321, 12996, 13689, 14400, 15129, 15876]