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.

A014203 a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.

Table of values

n a(n)
0 0
1 6
2 30
3 54
4 78
5 198
6 342
7 342
8 438
9 708
10 948
11 1212
12 1308
13 1620
14 2292
15 2292
16 2388
17 3204
18 3852
19 4308
20 4788
21 5796
22 6324
23 6324
24 6900
25 7650
26 9522
27 10386
28 10386
29 12474
30 13914
31 13914
32 14298
33 15882
34 17514
35 19194
36 20274
37 21162
38 23898
39 23898
40 24858
41 28794
42 30810
43 31842
44 32898
45 36138
46 38346
47 38346

List of values

[0, 6, 30, 54, 78, 198, 342, 342, 438, 708, 948, 1212, 1308, 1620, 2292, 2292, 2388, 3204, 3852, 4308, 4788, 5796, 6324, 6324, 6900, 7650, 9522, 10386, 10386, 12474, 13914, 13914, 14298, 15882, 17514, 19194, 20274, 21162, 23898, 23898, 24858, 28794, 30810, 31842, 32898, 36138, 38346, 38346]