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.

A016728 Number of integer points (x,y,z) at distance <= 0.5 from sphere of radius n.

Table of values

n a(n)
0 1
1 18
2 62
3 98
4 210
5 350
6 450
7 602
8 762
9 1142
10 1250
11 1458
12 1814
13 2178
14 2498
15 2622
16 3338
17 3722
18 4170
19 4358
20 5034
21 5714
22 5982
23 6602
24 7130
25 8034
26 8606
27 9066
28 9962
29 10550
30 11226
31 12146
32 12606
33 13802
34 14754
35 15194
36 16454
37 17154
38 18266
39 18750

List of values

[1, 18, 62, 98, 210, 350, 450, 602, 762, 1142, 1250, 1458, 1814, 2178, 2498, 2622, 3338, 3722, 4170, 4358, 5034, 5714, 5982, 6602, 7130, 8034, 8606, 9066, 9962, 10550, 11226, 12146, 12606, 13802, 14754, 15194, 16454, 17154, 18266, 18750]