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.

A212091 Number of (w,x,y,z) with all terms in {1,...,n} and w^2=x^2+y^2+z^2.

Table of values

n a(n)
0 0
1 0
2 0
3 3
4 3
5 3
6 6
7 12
8 12
9 24
10 24
11 33
12 36
13 42
14 48
15 63
16 63
17 72
18 84
19 99
20 99
21 132
22 141
23 159
24 162
25 174
26 180
27 219
28 225
29 243
30 258
31 282
32 282
33 330
34 339
35 369
36 381
37 405
38 420
39 465
40 465
41 492
42 525
43 558
44 567
45 627
46 645
47 681
48 684
49 732
50 744
51 804
52 810
53 846
54 885
55 930

List of values

[0, 0, 0, 3, 3, 3, 6, 12, 12, 24, 24, 33, 36, 42, 48, 63, 63, 72, 84, 99, 99, 132, 141, 159, 162, 174, 180, 219, 225, 243, 258, 282, 282, 330, 339, 369, 381, 405, 420, 465, 465, 492, 525, 558, 567, 627, 645, 681, 684, 732, 744, 804, 810, 846, 885, 930]