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.

A211432 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w^2=x^2+y^2.

Table of values

n a(n)
0 1
1 9
2 17
3 25
4 33
5 57
6 65
7 73
8 81
9 89
10 113
11 121
12 129
13 153
14 161
15 185
16 193
17 217
18 225
19 233
20 257
21 265
22 273
23 281
24 289
25 329
26 353
27 361
28 369
29 393
30 417
31 425
32 433
33 441
34 465
35 489
36 497
37 521
38 529
39 553
40 577
41 601
42 609
43 617
44 625
45 649
46 657
47 665
48 673
49 681
50 721
51 745

List of values

[1, 9, 17, 25, 33, 57, 65, 73, 81, 89, 113, 121, 129, 153, 161, 185, 193, 217, 225, 233, 257, 265, 273, 281, 289, 329, 353, 361, 369, 393, 417, 425, 433, 441, 465, 489, 497, 521, 529, 553, 577, 601, 609, 617, 625, 649, 657, 665, 673, 681, 721, 745]